JEE Main Question Paper 22 January 2025 (Available) LIVE Updates: Shift 1, 2 memory-based questions with answer key

Mahima Gupta

Updated On: January 23, 2025 04:44 AM

JEE Main Question Paper 22 January 2025 that includes Shift 1 and 2 memory-based questions can be checked here. JEE Main 2025 January 22 answer key for Shift 1 and 2 by coaching institutes can be accessed here. 
JEE Main Question Paper 22 January 2025 LIVE UpdatesJEE Main Question Paper 22 January 2025 LIVE Updates

JEE Main Question Paper 22 January 2025: At various cities throughout the country and 15 cities outside India, the National Testing Agency (NTA) conducted Day 1 of JEE Main 2025 Session 1 exam on January 22, 2025 . The Shift 1 exam took place from 9:00 AM to 12:00 PM while Shift 2 was from 3:00 PM to 6:00 PM. Candidates appeared for the Shift 1 and 2 exam of JEE Mains 2025 January 22 can download the memory-based question paper along with answer key solutions. The question paper of Paper 1 comprises 75 total questions , bifurcated into 25 questions each for Physics, Chemistry, and Mathematics. The total marks allotted to the examination are 300. This year, all the questions in Section B have been made compulsory in both Paper 1 and 2, which were earlier optional. For NAT questions, the near decimal value will be taken into consideration.

    Also read | JEE Main Expected Percentile Score January 2025

    JEE Main Question Paper 22 January 2025 Shift 1

    Candidates can access subject-wise questions along with unofficial answer key solutions for morning session Day 1 Paper 1 (B.Tech) exam below-

    JEE Main 2025 22 Jan Paper Physics Shift 1

    • Find the dimensions of B/μ 0 .
    • Solid sphere of mass M, radius R, exerts force F on a point mass. Now a concentric spherical mass M/7 is removed. What is the new force?
    • Radius of electron in ground state for hydrogen is a 0, then radius of electron in He + ion in 3rd excited state is a. Then a 0 /a is
    • Ice at - 10 degrees Celcius is to be converted into steam at 110 degrees Celcius. Mass of ice is 10 -3 kg. what amount of heat is required?
    • Find the radius of curvature of the common surface of two bubbles (R 1 >R 2 )

    JEE Main 2025 22 Jan Paper Chemistry Shift 1

    • For [NiCL 4 ] 2- what is the charge on metal and shape of complex respectively?
    • How many compounds have linear shape SO 2 , BeCl 2 , N 3 - , I 3 - , NO + 2 , NO 2 ?
    • CO 2 (g) + C(s) 2CO(g)
      If initial pressure of CO 2 is 0.6 atm and after equilibrium is established, total pressure is 0.8 atm. Then, find K p .
    • C 6 H 6 -NO 2 reacts with (i) Sn/HCl, (ii) NaNO 2 /H 4 , (iii) CuCl/H 4 , and (iv) Na/dryether. Find the molecular weight of A.
    • An electron of He + is present in 3rd excited state. Find its de-Broglie wavelength.

    JEE Main 2025 22 Jan Paper Mathematics Shift 1

    • The shortest distance between the lines (x - 1)/2 = (y - 2)/3 = (z - 1)/4 and (x + 2)/7 = (y - 2)/8 = (z + 1)/2
    • If f(x) = 16(sec -1 x) 2 + (cosec -1 x) 2 . Then the maximum and minimum value of f(x) is respectively
    • If a 1 , a 2 , a 3 ..., a n are in geometric progression such that a 1 a 5 = 28, a 2 + a 4 = 29, then the value of a 6 is
    • If 8 = 3 + (1/4)*(3+p) + (1/4 2 )*(3+p 2 )+ ... ∞, then the value of p is
    • If A be a 3 x 3 square matrix such that det(A) = -2. If det(3 adj(-6 adj(3A))) = 2 n x 3 m , where m ≥ n, then 4m + 2n is equal to

    JEE Mains 2025 January 22 Shift 2 Question Paper

    For the afternoon session, examinees can access the memory-based questions for Physics, Chemistry, and Mathematics along with the answer key solutions below.

    JEE Main 2025 Jan 22 Shift 2 Physics Paper

    • An Equiconvex lens of focal length f is cut into four parts as shown in the diagram. The focal length of each part is
    • Radius of a tube decreases from 2R to R in which ideal liquid is flowing at same level. Speed at one end is 2m/s as shown, find speed v at the other end
    • The dimensional formula of capacitance is
    • A proton is moving with uniform velocity of 2 x 10 8 m/s in uniform magnetic and electric fields which are perpendicular to each other. If electric field is switched off then proton moves in circular path of radius 1.6 x 10- 5 m. Then magnetic field is B
    • The displacement of a particle moving under a action of a force F = 2i + bj+ k is d= i + j+ k. Find the value of b if the work done by the force is zero

    JEE Main 2025 Jan 22 Shift 2 Chemistry Paper

    • Density of 3 M NaOH is 1.25 g/ml. Molality of solutions is
    • Arrange according to CFSE.
      (i) [CO(NH 3 ) 4 ] 2+
      (ii) [CO(NH 3 ) 6 ] 3+
      (iii) [CO(NH 3 ) 6 ] 2+
      (iv) [CO(en) 3 ] 3
    • Which of the following anions will not undergoes disproportionate?
    • Compare the dipole moment of
      (I) NF 3
      (II) CHCl 3
      (III) H 2 S
      (IV) HBr
    • Which one has two secondary Hydrogen atoms?
      (I) 2, 2, 4, 4-tetramethylheptane
      (II) 2, 2, 3, 4-tetramethylheptane
      (III) 2, 2, 3, 3-tetramethyloctane
      (IV) 3-ethyl-2, 2-dimethylpentane

    JEE Main 2025 Today Shift 2 Mathematics Paper

    • If 2x 2 + (cosθ)x - 1 = 0, θ ∈ (0, 2π) has roots α and β. Then the sum of maximum and minimum value of α 4 + β 4 is--
    • If θ ∈ [0, 2π] satisfying the system of equations 2sin2θ = cos2θ and 2cos2θ = 3cosθ. Then the sum of all real values of θ
    • Let A = {1, 2, 3, 4) and B = {1, 4, 9, 16). If f: A→B, then number of many-one functions from A to B are
    • 4 boys and 3 girls are to be seated in a row such that all girls seat together and two particular boys B 1 and B 2 are not adjacent to each other. Then the number of ways in which this arrangement can be done
    • Let a and b be two unit vectors such that angle between a and b is π/3. If λa + 3b and 2a + λb are perpendicular to each other, then the product of all possible values of λ is

    Subject-wise JEE Main 22 January 2025 QuestionPaper PDF

    Here are the PDF download links of JEE Main subject-wise question papers for 22 January 2025 Shift 1 and 2 -
    Subject Link
    Phyiscs JEE Main 22 January 2025 Shift 1, 2 Physics Question Paper with Answer Key Solutions
    Chemistry JEE Main 22 January 2025 Shift 1, 2 Chemistry Question Paper with Answer Key Solutions
    Mathematics JEE Main 22 January 2025 Shift 1, 2 Mathematics Question Paper with Answer Key Solutions

    JEE Mains 2025 January 22 Answer Key Solutions

    The answer key solutions for JEE Main 2025 January 22 Shift 1 and 2 can be downloaded in PDF format. Various coaching institutes like Resonance, Aakash, Vedantu, Reliable etc releae the PDF of answer key solutions along with the memory-based question paper.

    JEE Main Answer Key Solutions January 2025 (Shift 1 and 2)

    Subject experts will provide the questions across both the shifts of Day 1 Paper 1 exam for all the subjects to help exam takers review the difficulty level of the question paper. By practicing the first-day questions, candidates shall see the repetition of questions in the coming shifts. Do note, for each correct attempt, candidates will be awarded 4 marks and 1 mark deduction for incorrect answers.

    Shift 1 Subject-Wise Analysis:

    • Mathematics section was easy but lengthy. Hence it took time to solve
    • Type of the question paper was more similar to last year's January 27, 2024 questions
    • Chemistry section was easier compared to the rest of the subjects
    • Expected number of good attempt is 200+
    Shift 1 Subject-Wise Analysis:
    • Mathematics was hard
    • Similar to shift 1 exam, the shift 2 Chemistry questions were easy
    • Difficulty level of Physics was easy to moderate level

    Exam takers must keep checking the blog for regular updates on subject-wise JEE Main Question Paper 22 January 2025 for Shift 1 and Shift 2 along with other relevant details.

    JEE Main Question Paper 22 January 2025 LIVE Updates: Shift 1, 2 memory-based questions with answer key

    • 04 00 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025: Ideal Time to Reach Exam Centre

      The test takers are advised to reach to the exam centre at least two hours before the exam starting time. Otherwise, the candidates might face hassle to reach out to the exam centre if they run late. 

    • 03 00 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Mathematics Q7

      Ques. In the expansion of (x + √x3-1)5 + (x - √x3−1)5, where α, β, γ and δ are the coefficients of x x3, x5 and x7 respectively. If αu – βν = 18 and γu + δv = 20, then u + v is equal to

      Ans. -14/15

    • 02 30 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Mathematics Q6

      Ques. The perpendicular distance of point P(3, 4, 5) from the line 7 = 2î - j + k + λ(4î – j + 5k) is

      Ans. (19/42)1/2

    • 02 00 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Mathematics Q5

      Ques. If A is the 3 x 3 matrix of order 3 x 3, such that det(A) = 1/2, tr(A) = 10 and B be another matrix of order 3 x 3 and defined as B = adj(adj(2A)) then det(B) + tr(B) is equal to (where tr(A) denotes trace of matrix A)

      Ans. 336

    • 01 30 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Physics Q7

      Ques. For the electric dipole shown in the figure, the electric field and the electric potential are Eq0 V0 at a distance r on the axis. Then what is the electric field and the electric potential at a point on the equatorial plane at a distance 2r.

      Ans. E0/16, 0

    • 01 00 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Mathematics Q4

      Ques. Number of terms in an arithmetic progression is 2n. Sum of terms occurring at even places is 40 and sum of terms occurring at odd places is 55. If the first term exceeds the last term by 27, then n equals to

      Ans. 5

    • 12 30 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Physics Q6

      Ques. Displacement current in capacitor of area 16 cm2 is 6 A at an instant. Find displacement current across area 3.2 cm2

      Ans. 1.2 A

    • 12 00 AM IST - 23 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Physics Q5

      Ques. For non vibrating diatomic gas has adiabatic constant of λ1 and for vibrating diatomic gas has adiabatic constant of λ2 then.

      Ans. λ1 >λ2

    • 11 45 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Physics Q4

      Ques. Read the following statements and choose the correct option.
      Statement I: A pendulum is taken from Earth to another planet having mass four times and radius double than the earth.
      Statement II: The time period of pendulum only depends on the gravity of the planet.

      Ans. Statement I is true but Statement II is false

    • 11 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Chemistry Q8

      Ques. Among Group-15 elements, what is the maximum covalency of an element having weakest E-E bond (E=element)

      Ans. 5

    • 11 15 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Chemistry Q7

      Ques. Identify the extensive and intensive property?
      (I) Mass, volume, conductivity - Intensive property
      (II) Mass, temperature, heat, volume - Extensive property
      (III) Mass, volume, internal energy - Extensive property
      (IV) Density, temperature, moles, internal energy - Intensive property

      Ans. Mass, volume, internal energy - Extensive property

    • 11 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Mathematics Q3

      Ques. Let A and B are two events such that P(A ∩ B) = 1/10, then P(AUB) P(A∩B) = and P(A/B) and P(B/A) are the roots of the equation 10 is equal to 12x2-7x + 1 = 0 then P(Abar U Bbar)/P(Abar ∩ Bbar) = ?

      Ans. 9/4

    • 11 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Chemistry Q6

      Ques. Ni2+ + 2DMG Complex
      How many hydrogen bonds are present in molecule of the complex?

      Ans. 2

    • 10 45 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Chemistry Q5

      Ques. In Ru and Nb, if in Ru, 4d electrons are x and in Nb, 4d electrons are y then find the sum of x and y.

      Ans. 11

    • 10 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Chemistry Q4

      Ques. 200 mL of 0.2 M solution of NaOH is mixed with 400 mL of 0.5 M NaOH solution. Molarity of mixture is

      Ans. 0.4

    • 10 15 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Physics Q3

      Ques. A force F- (i + 2j-2k) N acts on point whose position vector is given as r = (2i+ 3j) + 7k) m. Find torque about origin. 

      Ans. (-5i + 13j + 7k) N.m

    • 10 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Physics Q2

      Ques. Statement I: Fringe width of red light is more than the fringe width of violet light.
      Statement II: Fringe width is directly proportional to the wavelength of light used. Choose the correct option.

      Ans. Both statement I and II are correct

    • 09 45 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Mathematics Q2

      Ques.Consider a function f(x) = ∫0x^2 [(t2 - 8t + 15) / et] dt. The number of points of exterma are:

      Ans. 5

    • 09 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Physics Q1

      Ques. A projectile is fired with speed of 20 m/s at angle of 60 degree with horizontal. The speed at highest point of trajectory is x m/s then x is

      Ans. 10 m/s

    • 09 15 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Mathematics Q1

      Ques. Consider a function f(x) = ∫0x^2 [(t2 - 8t + 15) / et] dt. The number of points of exterma are:

      Ans. 5

    • 09 00 PM IST - 22 Jan'25

      Question Paper 22 January 2025 Shift 2 Chemistry Q3

      Ques. 200 mL of 0.2 M solution of NaOH is mixed with 400 mL of 0.5 M NaOH solution. Molarity of mixture is

      Ans. 0.4

    • 08 45 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Chemistry Q2

      Ques. Given below are two statements-
      S-I: Lassaigne test is used for detection of Nitrogen, phosphorous, sulphur and Halogens.
      S-II: Lassaigne extract is made with magnesium metal.

      Ans. Statement 1 is correct but Statement 2 is incorrect

    • 08 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 2 Chemistry Q1

      Ques. Calculate the radius of first excited state of He+ ion (in ????)

      Ans. 1.058

    • 08 15 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Expected Cutoff for General Category

      Based on the JEE Main 22 January Shift 1 analysis 2025, it can be assumed that the cutoff for the general category will be tentatively between 110 to 130 marks out of 300 marks. 

    • 08 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Chemistry Q11

      Ques. Two ampere current is allowed to pass through molten AlCl3 for 30 min. Find the mass (in mg) of aluminium deposited at cathode. (Nearest integer)

      Ans. 336

    • 07 50 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Chemistry Q10

      Ques. CO2 gas is taken at 1 atm, 273K. Now it is allowed to pass through 0.1 M Ca(OH)2 aq. solution. Excess amount of Ca(OH)2 is neutralised with 40 mL of 0.1 M HCl. Then find volume of Ca(OH)2 initially taken if 50% Ca(OH)2 is react with CO2

      (1) 40 mL

      (2) 20 mL

      (3) 80 mL

      (4) 50 mL

      Ans. Option 1

    • 07 40 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q13

      Ques. Light of wavelength 550 nm is incident an surfaces of cerium and lithium. Work function are respectively 1.9 eV and 2.5 eV. Then electron will be ejected from

      (1) Cerium only

      (2) Lithium only

      (3) From both of them

      (4) None of them

      Ans: Option 1

    • 07 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q12

      Ques. wo spherical black bodies of radius 0.8 m and 0.2 m are at temperatures of 400 K and 800 K respectively. Find ratio of rate of heat loss.

      (1) 8

      (2) 4

      (3) 2

      (4) 1

      Ans: Option 4

    • 07 20 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q11

      Ques. If whole YDSE apparatus is immersed in a liquid of refractive index  then what is the effect on fringe width?

      (1) Fringe width increases

      (2) Fringe width decreases

      (3) Fringe width remains unchanged

      (4) It may increase on one side and decrease on other side

      Ans. Option 2

    • 07 10 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q10

      Ques. Two spherical black bodies of radius 0.8 m and 0.2 m are at temperatures of 400 K and 800 K respectively. Find ratio of rate of heat loss.

      Ans. 1

    • 07 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Mathematics Q9

      Ques.Let |zi| = 1 ∀ i = 1, 2, 3 satisfying | z̄1z2 + z̄2z+ z̄3z1 |2 = a + b√2, where a, b are rational numbers such that arg(z1) = π/4, arg(z2) = 0 and arg(z3)=-π/4, then ordered pair (a, b) is

      Ans. (5, -2)

    • 06 50 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Chemistry Q9

      Ques. In Carius method 180 mg of organic compound gives 143.5 mg of AgCl. Find the percentage of Cl in the organic compound. (Nearest integer)

      Ans. 20

    • 06 40 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q9

      Ques. The particle shown in figure is just able to complete the vertical circular motion. Find the ratio of kinetic energy at A to the kinetic energy at B.

      Ans. 2:1

    • 06 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Mathematics Q8

      Ques. How many ways are there to select 5 letters from English alphabets such that M is in the middle of the letters if repetition is not allowed?

      Ans. 25C4

    • 06 20 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Chemistry Q8

      Ques. In a closed insulated container, a liquid is stirred with a paddle to increase the temperature, which of the following is true?

      Ans. ΔE=w≠0, q=0

    • 06 16 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Most Weighted Topics

      Candidates got most of questions asked from the following topics:

      SubjectsName of the Topics
      Physics
      • Ray optic
      • Electrostatic
      • Lens
      • Logic gate
      • Semiconductor
      • Kinematics
      • Projectile Motion
      • Units and dimensions
      Mathematics
      • AP
      • Ellipse
      • Hyperola
      Chemistry
      • Electrochemistry
      • P Block
      • Thermodynamics
      • Biomolecules
      • Chemical Bonding
      • Coordination Compound

       

    • 06 10 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q8

      Ques. Light of wavelength 550 nm is incident an surfaces of cerium and lithium. Work function are respectively 1.9 eV & 2.5 eV. Then, electron will be ejected from?

      Ans. Cerium only

    • 06 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Shift 2 Exam Ends

      JEE Main Question Paper 22 January 2025 shift 2 exam is over. Soon the shift 2 exam analysis along with the subject-wise questions will be available. Till then the candidates can check out the shift 1 subject-wise questions and answers here. 

    • 05 45 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Mathematics Q7

      Ques. If A = {1, 2, 3, ...., 10} and B = {m/n. m,n∈ A, m<n and gcd of (m, n) = 1}. Then find the total number of elements in set B.

      Ans. 31

    • 05 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Chemistry Q7

      Ques. CO2 gas is taken at 1 atm, 273K. Now it is allowed to pass through 0.1 M Ca/(OH)2 aq. Solution. Excess amount of Ca(OH)2 is neutralised with 40 mL of 0.1 M HCl. Then find volume of Ca(OH)2 initial taken if half of the amount Ca(OH)2 is reacted with CO2.

      Ans. 40 mL

    • 05 15 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q7

      Ques. If whole YDSE apparatus is immersed in a liquid of R1 (μ), then what is the effect on fringe width?

      Ans. Fringe width decreases

    • 05 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Mathematics Q6

      Ques. If the mirror images of the points A(1, 3), B(3, 1) and C(2, 4) in the line x + 2y = 4 are D, E and F respectively, then the centroid of the triangle DEF is

      Ans. (2/5, -1/5)

    • 04 45 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Chemistry Q6

      Ques. Given: NH2COONH4(s) → 2NH3(g) + CO2(g)
      If the partial pressure of CO2 gas at equilibrium is 0.4 atm and the total pressure is 1 atm, then the value of Kp at the same temperature is

      Ans. 0.144 atm3

    • 04 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q6

      Ques. A capacitor is charged by battery to charge Q1. Now the battery is disconnected and dielectric slab  of dielectric constant K is inserted between the gaps of the plates. Now charge on capacitor is Q2​​​​​​. Find Q1/Q2

      Ans. 1

    • 04 15 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Mathematics Q5

      Ques. Let Tr = [ (2r - 1) (2r + 1) (2r +3) (2r + 5) / 64 ], then find the value of lim (n→∞)∑nr=1 (1/rr)

      Ans. 32/45

    • 04 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Chemistry Q5

      Ques. Which of the following lanthanide ion as 7e- in the outermost shell?

      Ans. Gd+3 or EU+2

    • 03 45 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 Shift 1 Physics Q5

      Ques. A closed organ pipe in 9th harmonic resonates with 4th harmonic of open organ pipe [1closed = 10 cm]

      Ans. L0= 80/9 cm

    • 03 30 PM IST - 22 Jan'25

      JEE Main 2025 January 25 Live Updates: Memory-Based Mathematics Questions (4)

      Ques. If 8 = 3 + (1/4)*(3+p) + (1/42)*(3+p2)+ ... ∞, then the value of p is

      Ans. 16/5

    • 03 25 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Rescheduling of Exam

      Due to the technical snag in exam centre Talent (TC Code- 40086) No 3, Belmar Estate, Nagasandra Main Rd, Amaravathi Layout, Nagara Bavi, Nalagadderanahalli, Peenya Bengaluru, Karnataka, the JEE Main 22 January Shift 1 exam for 114 candidates have been affected and for the same, the NTA has reschedule the exam on January 28/ 29, 2025. For them, tyhe authority will issue fresh admit card. 

    • 03 15 PM IST - 22 Jan'25

      JEE Main 2025 January 25 Live Updates: Important Physics topics asked in Shift 1

      • Kinetic Theory of Gases
      • Dimensional Analysis
      • Waves & Sounds
      • Gravitation & Electrostatics
      • Current Electricity & Heat Transfer
      • Geometrical Optics
      • Rotational Dynamics Electromagnetic Induction
      • Thermodynamics
      • Rotational Dynamics Electromagnetic Induction

    • 03 00 PM IST - 22 Jan'25

      JEE Main 2025 January 25 Live Updates: Memory-Based Physics Questions (4)

      Ques. Radius of electron in ground state for hydrogen is a0, then radius of electron in Heion in 3rd excited state is a. Then a0/a is

      Ans. 1/8

    • 02 50 PM IST - 22 Jan'25

      JEE Main 2025 January 25 Live Updates: Memory-Based Chemistry Questions (4)

      Ques. How many compounds have linear shape SO2, BeCl2, N3-, I3-, NO+2, NO2?

      Ans. 4

    • 02 40 PM IST - 22 Jan'25

      JEE Main 2025 January 25 Live Updates: Memory-Based Mathematics Questions (3)

      Ques. If a1, a2, a3..., an are in geometric progression such that a1a5 = 28, a2 + a4 = 29, then the value of a6 is

      Ans. 784

    • 02 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Memory-Based Chemistry Questions (3)

      Ques. Which of the following has the maximum size out of Al3+, Mg2+, F-, Na+?

      Ans. F-

    • 02 20 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Memory-Based Physics Questions (3)

      Ques. Ice at - 10 degrees Celcius is to be converted into steam at 110 degrees Celcius. Mass of ice is 10-3 kg. what amount of heat is required?

      Ans. ∆Q= 730cal

    • 02 10 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Memory-Based Mathematics Questions (2)

      Ques. If A be a 3 x 3 square matrix such that det(A) = -2. If det(3 adj(-6 adj(3A))) = 2n x 3m, where m ≥ n, then 4m + 2n is equal to

      Ans. 104

    • 02 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 LIVE Updates: Memory-Based Chemistry Questions (2)

      Ques. C6H6-NO2 reacts with (i) Sn/HCl, (ii) NaNO2/H4, (iii) CuCl/H4, and (iv) Na/dryether. Find the molecular weight of A.

      Ans. 154 gm/mole

    • 01 50 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025 LIVE Updates: Memory-Based Physics Questions (2)

      Ques. Find the radius of curvature of the common surface of two bubbles (R1>R2)

      Ans. (R1R2)/(R1−R2)

    • 01 40 PM IST - 22 Jan'25

      JEE Main 2025 January 22 Shift 1 Question Paper: Memory-Based Chemistry Questions (1)

      Ques. Compare boiling point of given solutions-
      (i) 10-4 NaCl
      (ii) 10-3 NaCl
      (iii) 10-2 NaCl
      (iv) 10-4 Urea 

      Ans. (iii)>(ii)>(i)>(iv)

    • 01 30 PM IST - 22 Jan'25

      JEE Main 2025 January 22 Shift 1 Question Paper: Memory-Based Mathematics Questions (1)

      Ques. In a bag there are 6 white and 4 black balls two balls are drawn at random, then the probability that both ball are white are

      Ans. 1/3

    • 01 20 PM IST - 22 Jan'25

      JEE Main 2025 January 22 Shift 1 Question Paper: Memory-Based Physics Questions (1)

      Ques. Solid sphere of mass M, radius R, exerts force F on a point mass. Now a concentric spherical mass M/7 is removed. What is new force?

      Ans. 6/7 F

    • 01 10 PM IST - 22 Jan'25

      JEE Main 2025 January 22 Shift 1 Question Paper: Feedback regarding Chemistry Section

      As per the feedback received from most of the test takers, in JEE Main January 22 Shift 1 exam 2025 Organic and Physical Chemistry carried more weightage than Inorganic Chemistry. 

    • 01 00 PM IST - 22 Jan'25

      JEE Main 2025 January 22 Shift 1 Question Paper: Students Reaction

      • Overall JEE Main 22 January Shift 1 exam difficulty level was easy to moderate.  Some students have identified the shift 1 was easy level
      • NAT questions are moderate to difficult level
      • Mathematics questions were time consuming to solve
      • Chemistry section was easy
      • Physics questions were easy to moderate level

    • 12 50 PM IST - 22 Jan'25

      JEE Main 2025 January 22 Shift 1 Question Paper: Subject-Wise Most Asked Topics

      SubjectsTopic Asked
      PhysicsDebroglie wavelength, SMR, Potential meter
      ChemistryMole concept, Catalysts
      MathematicsStatistics, probability, Vector and 3D, matrices and determinants

       

    • 12 40 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Ideal gas law

      PV=nRT

      where,

      P is the pressure V is the volume

      n is the amount of substance R is the ideal gas constant

    • 12 30 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Thermal De-Broglie Wavelength

      The thermal de Broglie wavelength (πth) is approximately the average de Broglie wavelength of the gas particles in an ideal gas at the specified temperature.
      πth= h/√2πmkbT
      where,
      h= Planck constant,
      m = mass of a gas particle,
      kb= Boltzmann constant,
      T = temperature of the gas,

    • 12 20 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Memory Based Questions Soon

      JEE Main 22 January Shift 1 exam ended already and soon the memory based questions for the shift will be updated here. So that the candidates from the upcoming shifts will get a tentative idea about the question type. 

    • 12 10 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Exam Concludes

      JEE Main Day 1 Shift 1 exam 2025 ends, the question paper analysis along with the unofficial answer key will be available soon here. 

    • 12 00 PM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: The de-Broglie’s Equation

      π = h/mv,
      Where πis wavelength, h is Planck's constant, m is the mass of a particle, moving at a velocity v

    • 11 45 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Distance Formula

      Check out the distance formula here:

       

    • 11 30 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Parametric Representation

      Formula of Parametric Representation is,

    • 11 15 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Definite Integral Formula Using the Fundamental theorem of calculus

      Definite Integral Formula Using the Fundamental theorem of calculus is;

      ab

    • 11 00 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Equation of standard parabola

      Formula of Equation of standard parabola,

      The equation of parabola with focus at (

    • 10 45 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Graph of Quadratic equation

      The graph of a quadratic equation

    • 10 30 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of General form of Quadratic Equation

      Formula of General form of Quadratic Equation is,

    • 10 15 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Director Circle

      Formula of Director Circle is,

    • 10 00 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Circle (1)

      Circumference of a Circle

    • 09 45 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Important Formula of Parametric Equations of a Circle

      Formula of Parametric Equations of a Circle is,

    • 09 30 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: When will JEE Advanced registration start?

      As per the announcement, the JEE Advanced 2025 online registration process will start on April 23, 2025 and will be continued till May 2, 2025. This year, JEE Advanced ecxam will be conducted on May 18, 2025. 

    • 09 15 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Admit Card Release Date

      The NTA will release the JEE Main January 2025 admit card for rest of the exams tentatively 2-3 days before and the candidaes can download it till the exam day. However, to avoid the last minute hassle, the candidates are advised to download the admit card beforehand. 

    • 09 00 AM IST - 22 Jan'25

      JEE Main Question Paper 2025 for January 22: Shift 1 Exam Starts

      JEE Main January 2025 Day 1 shift 1 exam starts. Candidates can find out the memory-based questions and detailed paper analysis soon, once the exam will end.

    • 08 45 AM IST - 22 Jan'25

      JEE Main Question Paper 2025 for January 22: Answer Key Release Date

      The NTA will release the JEE Main January 2025 provisional answer key tentatively in the first week of February 2025. Before than the candidates can check out the unofficial answer key here, which will be released by CollegeDekho experts based on the review of memory based questions. 

    • 08 30 AM IST - 22 Jan'25

      JEE Main Question Paper 2025 for January 22: Result Date

      As per the notification, the JEE Main January 2025 result will be announced by February 12, 2025 on the official website- jeemain.nta.nic.in. Candidates should enter the login credentials to check out the JEE Main January 2025 result. 

    • 08 15 AM IST - 22 Jan'25

      JEE Main Question Paper 2025 for January 22: When will shift 1 entry be closed?

      The gate the JEE Main January exam centre will be closed within 15 minutes. After 8.30 AM, the shift 1 candidates will not be allowed to enter inside the exam hall. 

    • 08 00 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Code of Conduct for Candidates

      • The test takers should remain silent during the exam
      • Any conversation among the test takers or disturbance will be considered as misbehviour
      • If the candidates will find with any unfair means, then their exam will be cancelled

    • 07 45 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Items Prohibited Inside Exam Centre

      • Electronic devices such as mobile phones, calculators
      • Slide rules
      • Log tables
      • Printed or written material
      • Bits of paper
      • Pager
      • Any other device 

    • 07 30 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Number of Questions Asked

      Candidates will be asked a total of 75 questions in JEE Main January 2025 exam. 

      • Physics: 25 questions
      • Chemistry: 25 questions
      • Mathematics: 25 questions

      Among 25 subject-wise questions, there will be a total of 20 MCQs and 5 numerical type questions. 

    • 07 15 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Is it possible to leave exam centre before exam ends?

      No, the candidates will not be allowed to leave the JEE Main exam centre before the exam ends. Once the exam will be ended, the candidates can leave the exam centre then. 

    • 07 00 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Documents to Carry

      • Print out of the admit card along with the self-declaration
      • One passport-size photograph (same as uploaded on the Online Application Form)
      • Any one of the authorized photo IDs 
      • PwD certificate issued by the authorized medical officer
      • Simple ball point pen
      • Diabetic candidates should carry Fruits, Sugar tablets and transparent water bottle

    • 06 45 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Mode of Language

      • English
      • Hindi
      • Assamese
      • Bengali
      • Gujarati
      • Kannada
      • Malayalam
      • Marathi
      • Odia
      • Punjabi
      • Tamil 
      • Telugu, and Urdu

    • 06 30 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Can I wear smartwatch?

      No the candidates cannot wear smartwatch inside the JEE Main exam hall 2025. Also they should not wear calculators, Bluetooth and pagers etc. 

    • 06 15 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Dress Code

      • Candidates should wear simple and cofortable attire for all the season. More specifically, the candidates shpuld opt for the breathable fabrics such as khadi or cotton
      • Do not wear any heavy weight or party wear dress materials
      • Avoid shoes with thick soles and instead opt for sandals or slippers

    • 06 00 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Exam Timings

      ParticularShift 1Shift 2
      JEE Main Exam Time9 AM to 12 PM3 PM to 6 PM
      Entry into the exam centre7.30 AM to 8.30 AM2 PM to 2.30 PM
      Instructions given by the invigilator 8.30 AM to 8.50 AM2.30 PM to 2.50 PM
      Candidates login for reading instructions8.50 AM2.50 PM
      Commencement of JEE Main exam 20259 AM3 PM

       

    • 05 45 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Exam Duration

      JEE Main January 2025 exam will be held in three hours. Only the PwD candidates will get time of 4 hours to complete the answer. 

    • 05 30 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: When will Session 2 Registration will start?

      As per the schedule, the JEE Main Session 2 exam registration will start on January 31, 2025 and will be continued till February 24, 2025. The JEE Main April Session exam will start rom April 1 to 8, 2025. 

    • 05 15 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Last Exam Date

      As per the exam notification, the JEE Main January Session exam 2025 will end on January 30, 2025. Exam will be held on January 22, 23, 24, 28, 29 and 30, 2025. 

    • 05 00 AM IST - 22 Jan'25

      JEE Main Question Paper 22 January 2025: Day 1 Exam

      Today is day 1 JEE Main Session 1 exam. As per the schedule, the exam will be held in two shifts, shift 1 (from 9 AM to 12 PM) and shift 2 (3 PM to 6 PM). 

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      JEE Main Previous Year Question Paper

      2022 Physics Shift 1

      2022 Physics Shift 2

      2022 Chemistry Shift 1

      2022 Chemistry Shift 2

      2022 Mathematics Shift 1

      2022 Mathematics Shift 2

      2023 Chemistry Shift 1

      2023 Mathematics Shift 1

      2023 Physics Shift 2

      2023 Mathematics Shift 2

      2023 Chemistry Shift 2

      2023 Physics Shift 1

      2024 Chemistry Shift 1

      2024 Mathematics Shift 2

      2024 Physics Paper Morning Shift

      2024 Mathematics Morning Shift

      2024 Physics Shift 2

      2024 Chemistry Shift 2

      /articles/jee-main-question-paper-22-january-2025-live-updates-shift-1-2-questions-answers/

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