IIT JAM Physics Question Paper 2025 with Solutions Available: Download PDF Here

IIT JAM Physics Question Paper 2025

1. What is the ratio of v_g and v_p for a non-relativistic particle?

IIT JAM Physics Syllabus and Exam Pattern

The detailed IIT JAM 2025 Physics question paper pattern is given below for the reference of the candidates.

Also Read,

• IIT JAM Answer Key 2025
• IIT JAM Cut off 2025

IIT JAM Physics Analysis

• The IIT JAM Physics 2025 question paper had a difficulty level of moderate to difficult.
• The 2025 IIT JAM Physics question paper was lengthier than the previous year's question paper.
• The MCQ section of the IIT JAM 2025 examination was in the tougher section.
• In the IIT JAM 2025 Physics question paper, the candidates were asked 2 questions from the topics central forces and Kepler planet motion. This included one NAT question and a MSQ question.
• The IIT JAM physics question paper also included one question each from moment of interta and magnetic field while 2 questions were asked on electromagnetic induction and Maxwell Theorm.
• Contrary to the expectations, more number of questions were asked from the topics solid states and optics.
• There were a few questions from Electromagnetic theory based on permittivity and polarization.
• In the IIT JAM Physics 2025 question paper, there were questions from topics such as digital logic and diodes.
• All questions from section C were formula based.

IIT JAM Physics Analysis 2024

The analysis of the 2024 Physics examination will be extremely helpful for the candidates. While it assesses their exam readiness and helps them to understand the various IIT JAM Physics exam trends, it also helps them to be prepared for the various challenges that they may face during the examination. A brief insight into the IIT JAM Physics examination is given below for the reference of the candidates.

• Lengthy Nature of the Exam: Based on initial feedback from candidates, the IIT JAM 2024 Physics examination was considered very lengthy. Many found that the paper required a significant amount of time to complete due to the number of questions and the complexity of some sections. Along with being lengthy, the IIT JAM 2024 exam was also described as time-consuming. Candidates reported that managing time effectively was crucial in order to attempt all questions and complete the paper within the allotted time. This trend may also be visible in the IIT JAM 2025 Physics question paper.

• Most Difficult Section - Section C: Section C of the exam, which is typically the Numerical Answer Type (NAT) section, was identified as the most difficult by candidates. These questions required more effort and precision, making it the toughest part of the paper.

• IIT JAM 2024 important topics: The topic of Mechanics and General Properties of Matter carried the most weightage in the IIT JAM Physics 2024 paper. This indicates that students who were well-prepared in this area had a clear advantage during the exam. In addition to Mechanics, other key topics that featured prominently in the paper included Kinematics, Solid State, Devices and Elements, and Electricity and Magnetism. Candidates were advised to focus on these topics for a well-rounded preparation. The candidates should also prepare for the IIT JAM 2025 question paper by prioritizing these topics.

IIT JAM Physics Question Paper 2024

Below are a few questions from each section of the IIT JAM Physics question paper 2024. By going through these questions, the candidates will understand what they can expect in the actual IIT JAM 2025 Physics question paper.

Section A

Question 1:

The total number of Na and Cl ions per unit cell of the NaCl crystal is:

(A) 2

(B) 4

(C) 8

(D) 16

Question 2:

The sum of three binary numbers, 10110.10, 11010.01, and 10101.11, in decimal system is:

(A) 70.75

(B) 70.25

(C) 70.50

(D) 69.50

Question 3:
Which of the following types of motion may be represented by the trajectory, y(x) = ax² + bx + c?
(Here a, b, and c are constants; x, y are the position coordinates)

(A) Projectile motion in a uniform gravitational field
(B) Simple harmonic motion
(C) Uniform circular motion
(D) Motion on an inclined plane in a uniform gravitational field

Question 4:
A vector field is expressed in the cylindrical coordinate system (s, ϕ, z) as,

If this field represents an electrostatic field, then the possible values of A and B, respectively, are:

(A) 1 and 0
(B) 0 and 1
(C) −1 and 1
(D) 1 and −1

Section B

Question 1:
A pure Si crystal can be converted to an n-type crystal by doping with

(A) P
(B) As
(C) Sb
(D) In

Question 2:
A particle of mass m, having an energy E and angular momentum L, is in a parabolic trajectory around a planet of mass M. If the distance of the closest approach to the planet is rₘ, which of the following statement(s) is(are) true?

(G is the Gravitational constant)

(A) E > 0
(B) E = 0
(C) L = √(2GMm²rₘ)
(D) L = √(2GM²rₘm)

Question 3:
For the LCR AC-circuit (resonance frequency ω₀) shown in the figure below, choose the correct statement(s):

(A) ω₀ depends on the values of L, C, and R
(B) At ω = ω₀, voltage Vₐ and current I are in-phase
(C) The amplitude of Vₐ at ω = ω₀/2 is independent of R
(D) The amplitude of Vₐ at ω = ω₀ is independent of L and C

Question 4:
One mole of an ideal monoatomic gas, initially at temperature T₀, is expanded from an initial volume V₀ to 2.5V₀. Which of the following statements is(are) correct?
(R is the ideal gas constant)

(A) When the process is isothermal, the work done is RT₀ ln 2
(B) When the process is isothermal, the change in internal energy is zero
(C) When the process is isobaric, the work done is (3/2)RT₀
(D) When the process is isobaric, the change in internal energy is (5/2)RT₀

Section C

Question 1:
For a simple cubic crystal, the smallest inter-planar spacing d that can be determined from its second order of diffraction using monochromatic X-rays of wavelength 1.32 Å is _______ Å. (Round off to two decimal places)

Question 2:
In the Taylor expansion of the function, F(x) = eˣ sin x, around x = 0, the coefficient of x⁵ is _________. (Rounded off to three decimal places)

Question 3:
A satellite of mass 10 kg, in a circular orbit around a planet, is having a speed v = 200 m/s. The total energy of the satellite is _______ kJ. (Rounded off to nearest integer)

Question 4:
When a system of multiple long narrow slits (width 2 μm and period 4 μm) is illuminated with a laser of wavelength 600 nm, there are 40 minima between the two consecutive principal maxima observed in its diffraction pattern. Then the maximum resolving power of the system is _______.

IIT JAM Physics Official Mock Test

The candidates can attempt the official IIT JAM Physics mock test designed by IIT Delhi using the link given below.