JEE Main Shift 2 Question Paper 31 January 2024 (Available): PDF download Physics, Chemistry and Mathematics

JEE Main Shift 2 Question Paper 31 January 2024: The National Testing Agency is conducting Day 4 Shift 2 of JEE Main 2024 Paper 1 Session 1 exam on 31 January 2024. Since the exam was computer-based, there is no in-print paper copy available. As per the feedback received from the students who took the exam on January 31, the memory-based questions of JEE Main 2024 Paper 1 exam on 31 January will be discussed here. Once available, the question papers by coaching institutes will also be given here.

JEE Main Question Paper 2024 January 31 Shift 1	JEE Main Percentile Score January 2024

JEE Main 2024 Shift 2 Question Paper 31 January

The subject-wise question paper of JEE Main 2024 Shift 2 for 31 January can be checked here. The memory-based questions will be added from 7:00 PM onwards. You can also check - JEE Main Answer Key 31 Jan 2024. 

JEE Main Physics Questions 31 January 2024 Shift 2

The memory-based questions for JEE Main 31 Jan 2024 Shift 2 Physics subject will be updated here:

1. If in the given expression, E = b - x² / at E represents energy, x represents length and t represents time then, find [a/b] where a and b are variables.
2. Find the value of x when 3 moles of oxygen gas and 2 moles of argon gas are mixed together. If the total energy of the mixture is xRT.
3. Find the mass number of nucleus Y when A nucleus X has mass number 192 and a second nucleus Y has radius half of X,
4. Determining the power delivered when Force on a 2 kg particle varies with time as F (vector) = 6ti(cap) - 6t²j(cap). 
5. If the mass of the moon is 1/144 times of a planet, and the diameter of the moon is 1/16 times of the diameter of a given planet, then find the escape velocity on the moon if the escape velocity on the planet is v.
6. A particle is projected at an angle of 45° with horizontal speed u. Find the angular momentum of the particle about the point of projection at the time when it reaches maximum height.
7. Magnetic flux passing through a loop of resistance 8 Ohms is given by Phi = 5t² - 36t +5. Find the current in the loop at t = 2 sec.
8. For the block shown, F1 is the minimum force required to move the block upward and F2 is the minimum force required to prevent it from slipping find |F₁ (vector) - F₂ (vector)| 
9. Find the speed of sound at STO if the Gama of air is 1.4 (given R = 80134J/mol-K)
10. A point object is placed at 100 cm from a convex spherical refractive surface having a radius of curvature of 200 cm and a refractive index of the refractive surface is 1.5. Find image distance.
11. Statement 1: EMI waves possess energy.  Statement 2: When EM eaves strike a surface they apply pressure on it
12. The force between two charged particles separated by a distance r when placed in air is F. If these charges are immersed in a medium of dielectric constant k = 5 then find the separation between them to keep the force the same.

Also read | JEE Main Physics Marks vs Percentile January 2024

JEE Main Chemistry Questions 31 January 2024 Shift 2

The memory-based questions for JEE Main 31 Jan 2024 Shift 2 Chemistry subject will be updated here:

1. Find the work done by gas At temperature 300 kelvin, 5 moles of gas are expanded from 10 litre to 100 litre
2. (Statement I: S₈ disproportionate into H₂S₂0₃ and S₂ in alkaline medium and  Statement II: CIO₄ undergoes disproportionation in acidic medium)
3. Among the given statement which of the following is correct ( Option 1 [NiCl₄]^2- diamagnetic, [Ni(CO)₄] - diamagnetic || Option 2 [Ni(CO)₄] - diamagnetic, [NICi₄]^2- - diamagnetic || Option 3 [NiCl₄]^2- paramagnetic, [Ni(CO)₄] - Paramagnetic || Option 4 [NiCl₄]^2- Paramagnetic, [NI(CO)₄] - diamagnetic)
4. The half-life of a first-order reaction is 36 hr. Find out the time (in hours) required for the concentration of reactant to get reduced by 90%.
5. Among the given options which has the maximum ionic character (Option 1 KCL || Option 2 AgCl  ||. Option 3  CaCl₂  || Option 4: BaCl₂)
6. Among the given vitamins how many can be stored in the body (A, B₁, B₆, B₁₂, C, D, E, & K)
7. For the order reaction A -> product. if t_root2 = 120 min the time for 90 percent completion is?
8. If 5 mole of an idan gas expands from 10 L to a volume of 100 L at 300 K under isothermal and reversible conditions then work W s xJ. Given R = 80134 Jmol^-1/K. 

Also read | JEE Main Chemistry Marks vs Percentile January 2024

JEE Main Mathematics Questions 31 January 2024 Shift 2

The memory-based questions for JEE Main 31 Jan 2024 Shift 2 Maths subject will be updated here:

1. If a = sin^-1 (sin 5), b = cos^-1 (cos 5) then a² + b² is equal to?
2. A coin is biased such that the head has two chances and the tails what is the probability of getting 2 heads and 1 tail?
3. If 2nd, 8th, 44th term of A.P. is 1st, 2nd, and 3rd terms respectively of G.P. and the first term of A.P. is 1, then the sum of the first 20 terms of A.P. is: 
4. The number of ways to distribute the 21 identical apples to three children so that each child gets at least 2 apples is? 
5. If A = {1, 2, 3, … 100}, R = {(x, y) | 2x = 3y, x, y ∈ A} is symmetric relation on A and the number of elements in R is n, the smallest integer value of n is
6. . If (alpha, beta, gama) is mirror image of the point (2, 3, 4) with respect to the line 123 234 xy z −−− = = . Then 2 alpha + 3 beta + 4 gama i
7. Let mean and variance of 6 observations a, b, 68, 44, 40, 60 be 55 and 194. If a > b then find a + 3b

Also read | JEE Main Mathematics Marks vs Percentile January 2024

JEE Main Question Paper PDF 31 January 2024 Shift 2 PDF by Coaching Institutes

For Day 4 Shift 2, the subject-wise memory-based questions released by the top JEE Main coaching institutes will be updated as and when available:

Coaching Institute	Subject	Download link
Resonance	Physics	Resonance JEE Main Physics Question Paper 31 January Shift 2
Vedantu	Physics	Vedantu JEE Main Physics Question Paper 31 January Shift 2
	Chemistry	Vedantu JEE Main Chemistry Question Paper 31 January 2024
	Mathematics	Vedantu JEE Main Mathematics Question Paper 31 January 2024 Shift 2
Aakash BYJU’s	Physics	Aakash BYJU's JEE Main Physics Answer Key 31 January Shift 2
	Chemistry	Aakash BYJU's JEE Main Chemistry Answer Key 31 January Shift 2
	Mathematics	Aakash BYJU's JEE Main Mathematics Answer Key 31 January Shift 2