JEE Main Question Paper 29 January 2025 (Available) LIVE Updates: Shift 1 memory-based questions with answer key

JEE Main Question Paper 29 January 2025:The last day of JEE Mains 2025 Session 1 Paper is being conducted on January 29, with two shifts conducted in the morning and afternoon. The National Testing Agency (NTA) organized the exam in Paper 1 (B.Tech) CBT mode across various test centres nationwide for 5 days (10 shifts) with Paper 2 (for B.Arch and B.Plan) is going to be held on January 30. As candidates eagerly await the official release of the question papers and answer keys, we bring you live updates on memory-based questions and solutions of JEE Main 2025 January 29 Shift 1 and 2. This analysis is based on feedback from candidates and insights from subject matter experts.

The memory-based questions for both shifts, along with their unofficial answer keys, are being provided by various reputed coaching institutes. These resources help candidates assess their performance and estimate their probable scores.

JEE Main Question Paper 29 January 2025 Shift 1

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

JEE Main Today's Shift 1 Physics Paper

• Assertion: At the peak of mountain, time period of pendulum increases
  Reason: Time period of pendulum increases with decrease in g
• The velocity of a particle moving on a straight line varies with time as v=At²Bt/C+ t¹where A, B, and C are constants. Find the dimension of ABC.
• A pendulum of mass m/2 is released from a given situation. Find the speed of another pendulum after the collision. (e=1)
• The graph between wavelength (λ)of incident light and Kinetic Energy (K.E) of photoelectron in photoelectric effect is
• Identify the logic gate represented by circuit shown below.

JEE Main Today's Shift 1 Chemistry Paper

• Which of the following is animal starch?
• Statement-1:Correct order of ionic radius for Mg²⁺, Na⁺, O^2-& F^-is F^-> O^2-> Na⁺> Mg²⁺
  Statement-2:Correct order of magnitude of gain Enthalpy for 17^thgroup follows order CI > F > Br > I (Magnitude only)
• Calculate the total number of sigma and π bond in the given molecule?
• Chromite ore + Na₂CO₃+ O₂→ insoluble product containing Fe.
  Calculate the molar mass of insoluble product formed. (Given: Molar mass of Cr = 52 g/mol, Na = 23 g/mol, Fe = 56 g/mol, 0 = 16 g/mol)
• Consider the following complexes-
  1. [Mn(CN)₆]^4-
  2. [Fe(CN)₆]^4-
  3. [Fe(CN)₆]^3-
  4. [Co(CN)₆]^3-
  Correct order of CFSE (Δ₀) will be

JEE Main Today's Shift 1 Mathematics Paper

• The minimum value of n for which the number of integer terms in the binomial expansion of (7^1/3+ 11^1/2) is 183, is
• lim (n→0) ∑ (k = 1 to n) [(k³+ 6k²+ 11k +5)/(k + 3)! = ?
• Sum of first three terms of an AP with integral common difference is 54 and sum of first twenty terms lies between 1600 to 1800, find a₁₁.
• Area enclosed by y ≥ |x - 1|, y + |x| ≤ 3, x²≤ 2y - 3 is A, then 6A is (in sq. units)
• Find I = 80₀∫^π/2[(sinx + cosx) / (9sinx + 16cosx)]dx

Check More:JEE Main 2025 January 29 Mathematics Question Paper with Answer Key Solutions (Available)

Also download |JEE Main Question Paper January 2025(All days and shifts)

JEE Main Question Paper 29 January 2025 Shift 2

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 Today's Shift 2 Physics Paper

• An equiconvex lens is cut into two ways as shown. If the focal length of the parts are as mentioned in the diagram. Find L₁/L₂
• A solenoid of radius 10 cm carrying current 0.29 A and having total 200 turns. If magnetic field inside solenoid is 2.9 x 10^-9Find length of solenoid
• Three identical particles, each of mass m move under the influence of mutual attraction forces. Initially they are on the vertices of an equipotential triangle of side 'a' and have equal speed v direct towards the adjacent particles as shown. The net angular momentum about the centre just before collision is
• Two particles of same mass are performing SHM vertically with two different springs of spring constants K₁and K₂. If amplitude of both is same. Find ratio of the maximum speed of two particles.
• A physical quality Q is given as Q = ab⁴/cd, if the percentage error is a,b,c and d are 2%, 1%, 2% and 1% the % error in Q will be

Check More:JEE Main 2025 January 29 Shift 1 Physics Question Paper with Answer Key Solutions (Available)

JEE Main Today's Shift 2 Chemistry Paper

• Which of the following form most stable carbocation?
• Number of σ and π bonds respectively in hex-1-en-4-yne are
• 0.41 g of BaSO₄is obtained from 0.2 g of organic compound in Carius method. What is the percentage of sulphur present in organic compound?
• Which element in group 15 has the lowest Ionisation energy?
• The number of benzenoid structural isomers having molecular formula C₉H₁₂which do not give Baeyer's reagent test is?

JEE Main Today's Shift 2 Mathematics Paper

• If the letters of the word "KANPUR" are arranged in dictionary, then the 440th word is
• If 3¹⁰⁷is divided by 23, then remainder is
• Let aij = (√2)^i+j, A = [a_ij]_3x3If sum of third row of A²is α + β√2, then α + βis
• Let f(x) =₀∫^xt(t²- 3t + 20) dt, x ∈ (1, 3) and range of f(x) is (α, β), then α + β is equal to
• lim (x→0) [ cosecx ((2cos²x + 3cosx)^1/2- (cos²x + sinx + 4)^1/2] = ?

While these resources provide a fair estimate of performance, students should wait for the official answer key by NTA for accurate score calculations. The official key is expected to be released within a week, followed by a provisional results announcement.

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