JEE Main 22 January 2025 Physics Question Paper with Answer Key Solutions (Available)

JEE Main 22 January 2025 Physics Question Paper with Answer Key Solutions (Image Credit: Pexels)

JEE Main 22 January 2025 Physics Question Paper : For 22 January 2025, JEE Main Physics question paper with answer key solutions are provided on the page below for Shift 1 and 2. Both the question paper and answer key are unofficial in nature and are provided for the Physics subject only. Furthermore, the answer keys are stated by other coaching institutions like Resonance, Vedantu, and Aakash on the page below in a PDF format for easy download. Since the question paper comprises 25 questions from the Physics section, all 25 questions, and their unofficial answers have been updated here.

JEE Main 22 January 2025 Physics Shift 1 Question Paper with Answer Key Solutions

Here is JEE Main 22 January 2025 Physics question paper with answer key solutions for Shift 1:

Q.No.	Question	Answers
1	Find the dimensions of B/μ0.	[AL -1 ]
2.	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?	6 F/7
3.	From a sphere of mass M, and radius R, a cavity of radius R/2 is created. Find the moment of inertia about an axis passing through the centre of sphere and cavity.	31 MR 2 /80
4.	Find the radius of curvature of the common surface of two bubbles (R 1 >R 2 )	(R 1 R 2 )/(R 1 −R 2 )
5.	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?	∆Q= 730cal
6.	Find out the equivalent capacitance for the situation shown in figure.	C eq = A e0 /d (2k 1 + 2k 2 + k 2 + K 3 + K 3 + K 1 ) /2 (K 1 + K 2 )
7.	From the given option, identify the diode connected in forward bias.
8.	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	1/8
9.	A charge of value q is placed at the edge of an imaginary cube of side a as shown in the figure. Find the net flux through the cube.	q/6E 0
10.	A closed organ pipe in 9th harmonic resonates with 4th harmonic of open organ pipe [1 closed = 10 cm]	L 0 = 80/9 cm
11.	A capacitor is charged by battery to charge Q 1. 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 Q 2 ​​​​​​. Find Q 1 /Q 2	1
12.	If whole YDSE apparatus is immersed in a liquid of R1 (μ), then what is the effect on fringe width?	Fringe width decreases
13.	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.	1
14.	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.	2:1
15.	Which of the following graphs correctly represents the variation of resistivity (ρ)? with Temperature (T)?
16.	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?	Cerium only
17.	The current drawn from battery in the circuit shown below is ______ A.	0.9  Ω
18.	The equiconvex lens shown in figure is silvered on one side. For what distance of object from the lens is the image formed on the object itself?	R 2μ-1
19.	The figure shows an electron entering the space between the plates of a parallel plate capacitor with an initial velocity, v x = 10 6 m/s parallel to the plates. If the length of the plates is /= 10 cm and the electric field in the region E= 9.1 N/C, then the value of v y when the electron comes out of the plates is (Electronic mass = 9.1 x 10- 31 kg)?	1.6 x 10 5 m/s
20.	Find the equivalent power of the thin lens combination shown in the figure.	- (R 1 + R 2 ) (6R 1 R 2 )

Also Read | Latest | JEE Main Question Paper 24 January 2025 Live Updates

​​​​​​JEE Main 22 January 2025 Physics Shift 2 Question Paper with Answer Key Solutions

Here is JEE Main 22 January 2025 Physics question paper with answer key solutions for Shift 2:

Q.No.	Question	Answers
1.	An Equiconvex lens of focal length f is cut into four parts as shown in the diagram. The focal length of each part is.	2f
2.	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.	8m/s
3.	The dimensional formula of capacitance is	(C)=(M−1L−2T4A2)
4.	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.	1.2 x 10 5 T
5.	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.	-3
6.	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	10 m/s
7.	A conducting circular ring is moving with a constant velocity in a uniform magnetic field as shown. Identify the correct graph between induced emf vs time.
8.	In a series LCR circuit the maximum amplitude of current is I 0 when the resistance is R. What is the maximum amplitude of current is the resistor is replaced by a resistor of resistance R/2.	2I 0
9.	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.	Both statement I and II are correct
10.	The net magnetic field at point O due to the two infinite current carrying wires shown in the figure is	1 x 10 -5 T
11.	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.	(-5i + 13j + 7k) N.m
12.	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.	Statement I is true but Statement II is false
13.	For non vibrating diatomic gas has adiabatic constant of λ 1 and for vibrating diatomic gas has adiabatic constant of λ 2 then.	λ1 >λ2
14.	Name the logic gate	AND
15.	For a given logic circuit truth table table is given identity that gate G.	NOR
16.	Displacement current in capacitor of area 16 cm 2 is 6 A at an instant. Find displacement current across area 3.2 cm 2	1.2A
17.	For the electric dipole shown in the figure, the electric field and the electric potential are Eq 0 V 0 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.	E 0 /16, 0
18.	In the RC circuit shown, Find I.	8V/13R
19.	A glass slab of refractive index μ 0 = 1.44 is coated with a thin film of refractive index μ f = 2. The minimum thickness of the film so that maximum transmission of green light of wavelength λ= 5000A (incident normally) takes place is	0.125λm
20.	If equivalent resistance across AB is NR/2, find N	3 R/2

JEE Main 22 January 2025 Physics Question Paper PDF Download

Download here JEE Main 22 Jan 2025 Physics question paper and answer key by CollegeDekho as provided above in PDF format:

JEE Main 22 January 2025 Question Paper: Chemistry and Mathematics

For other subjects across both shifts, check and download JEE Main 22 January 2025 question paper here:

JEE Main 22 January 2025 Physics Question Paper PDFs by Coaching Institutions

For both Shift 1 and Shift 2, JEE Main 22 January 2025 Physics answer key and question paper PDF links have been provided as released by Resonance, Aakash, and Vedantu in the below table:

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