4 April Physics JEE Main 2025 Question Paper OUT with Answer Key Session 2

4 April Physics JEE Main 2025 Question Paper with Answer Key Session 2

4 April Physics JEE Main 2025 Question Paper: The JEE Main Physics question paper and unofficial answer key solutions will be available for review for the April 4, 2025 exam. Both the Shift 1 and Shift 2 answer keys are included here. Only the subject of Physics is covered by the resources offered. Reputable coaching organizations like Resonance, Vedantu, and Aakash have released their versions of the answer keys in PDF format for convenience, which have been made accessible below for download. There are 25 questions in the Physics portion of the test, and this document includes all 25 questions and their unofficial answers. These sets of questions and answers are meant to help students better grasp the topic and the kind of questions that can be asked, allowing for a more in-depth analysis of the exam content and answers.

4 April Physics JEE Main 2025 Shift 2 Question Paper with Answer Key

Obtain Physics question paper with answer key solutions for Day 3 evening shift exam for Session 2 and estimate your scores. You can also check JEE Main April 4 Shift 2 Paper Review 2025 here.

Q.No.	Question	Answers
1	A disc is performing pure rolling if speed of top point is 8 m/s. Find speed of point B.	3. 6 m/s
2	The equivalent capacitance between A and B is	2. C 1 C 2 +C 1 C 3 +C 2 C 3 /C 1 +C 2
3	A particle of mass m is at a distance 3R from the centre of Earth. Find the minimum kinetic energy of particle to leave Earths field (R: Radius of Earth)	1. mgR/3
4	In a YDSE setup, the slits are separated by 1.5 mm and the distance between slits and screen is 2 mm. On using light of wavelength 400 mm, it is observed that 20 maximas of double slit experiment lie inside the central maxima of single slit diffraction. The width of each slit is _____ µm.	150
5	If the displacement of the block is 5 m, the work done by force applied is (coefficient of friction between block and surface is 1/4)	4. 500 J
6	The dimensional formula of the ratio of electrical dipole moment to the magnetic moment is M P L Q T R A S . Then P, Q, R, and S are	1. 0, -1, 1, 0
7	Two polarises P 1 and P 2 are aligned in such a way that intensity is zero. P3 polarises is inserted between P 1 and P 2 such that final transmitted ray will have the maximum intensity. Find angle between P 1 and P 3 .	1. π/4
8	A medium has relative permittivity 1/0.085 and relative permeability is 10/π. Find ratio of speed of light in vacuum to the medium.	1. 6.12
9	Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Plank's constant and linear momentum have same dimensions. Reason (R): Bohr's angular momentum is integral multiple of h/2π.	1. A is false and R is true.
10	If resistor R 1 = R 2 = R 3 = 5Ω and R 4 = 10Ω which circuit diagram is having equivalent (across A and B) resistance = 6Ω

4 April Physics JEE Main 2025 Shift 1 Question Paper with Answer Key

For the morning shift of Day 3 Session 2 exam, access the JEE Main Physics question paper with answer key solutions below. You can also check JEE Main Shift 1 Paper Review 2025 April 4 here.

Q.No.	Question	Answers
1	Find the dimension of E/B where, E represents electric field and B represents magnetic field	2. LT -1
2	A ring and a solid sphere released from rest from same height on enough rough inclined surface. Ratio of their speed when they reach at bottom is √(7/x) m/s then x is ____	10
3	Mean free path for an ideal gas is to be observed 20 µm while average speed of molecules of gas is observed to be 600 m/s, then frequency of collision is near by	3 x 10 7
4	Find the equivalent capacitance between A and B, where C = µF	3.
5	4 rods of equal length are joined as shown in the figure. Combined system is moving with speed 10 m/s in a perpendicular magnetic field of 1/√2 tesla. Find emf induced between point P and Q (I = 10 cm).	1. 1 volt
6	A real object placed in front of a spherical mirror forms an image whose magnification is -1/3. If the distance between the image and object is 30 cm. The focal length of the mirror is ____ cm.	1. -11.25 cm
7	The current in a AC circuit is given as i = 100√2sin(100π/t)A. Find rms current and frequency is Hertz	4. 100A, 50 Hz
8	An electric dipole with charges 2 µC and a separation 20 cm is placed close to an infinitely charge non-conducting sheet with surface charge density 100 C/m 2 . Find the torque acting on the dipole makes an angle 30° with the normal to the sheet.	4. 1/ε₀ x 10- 5 N - m
9	Assertion (A) : The minimum kinetic energy required to take a body of mass m from surface to earth to infinity is mgR. Reason (R) : Potential energy at surface of earth is zero.	3. (A) is correct but (R) is incorrect
10	Longitudinal sound waves travel in three different gases namely helium, methane and carbon dioxide. Mean temperature of three gases are equal then ratio of speeds of wave in 3 gases respectively are	3. √5:1:√(21/55)
11	Assertion (A) : In photoelectric effect, if intensity of monochromatic light is increased then stopping potential increases. Reason (R) : Increased intensity results in increment of photocurrent.	3. A is incorrect and R is correct
12	A block of mass m kg is connected to two strings as shown. If T 1 = √3T 2 , then choose the correct option	2. θ 1 = 60°, θ 2 = 30°, T 2 = mg/2
13	A closed organ pipe having fundamental frequency ƒ o . Now 1/5 of volume its filled with water then % change in the fundamental frequency.	3. -20%
14	In arrangement shown, has two non-conducting plane sheets with charge density σ, and a non-conducting sphere with volume charge density p. Choose the correct relation between the magnitude of electric fields at A, B, C, and D. Point A is at the middle of two sheets.	2. E A > E B , E C ≠ E D
15	Two simple pendulums with amplitudes θ 1 and θ 2 have length of strings as I 1 and I 2 respectively. Choose the correct options if the maximum angular accelerations are same.	2. θ 1 I 2 = θ 2 I 1
16	In YDSE setup, distance between slits d = 0.2 mm. If d is changed to 0.4 mm, then % change in fringe width	2. 50%
17		1. S1 is correct and S2 is incorrect
18	A small mirror of mass m is suspended to a fix point with an ideal string of length I. A photon of energy E incident normally on the mirror. Find maximum angular deviation (θ) of the mirror.	4. 2E/mc √ (gl)
19		4.
20	The figure shows two boxes with identical square cross-sections and heights h 1 and h 2 (h 1 = 2h 2 ) are made of different materials. An equal force is applied on the square cross-sections such that the deformations θ 1 and θ 2 are realized (θ 1 = 2θ 2 ). If shear modulus of box-1 is 4 × 10 9 N/m 2 and that of box-2 is x × 10 9 N/m 2 , then x is _____.	8

4 April Physics JEE Main 2025 Question Paper PDF Download

Download here the JEE Main Physics question paper and answer key for 4 April 2025 by CollegeDekho as provided above in PDF format:

4 April JEE Main 2025 Question Paper: Chemistry and Mathematics

Check and download 4 April 2025 JEE Main question paper here for the other two subjects, i.e., Chemistry and Mathematics.

4 April Physics JEE Main 2025 Question Paper PDFs by Coaching Institutions

Both Shift 1 and Shift 2 of the JEE Main on April 4, 2025, have had their Physics answer keys and question paper PDF links shared, as released by Resonance, Aakash, and Vedantu in the table below.

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