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JEE Mains Physics PYQ Chapterwise PDF - Physics is considered to be the toughest subject in the JEE Mains exam. Therefore, a thorough preparation for this subject is required. In this article, we will be seeing the JEE Mains Physics PYQ chapter-wise PDF. This will help candidates practice all the previous years' questions from the physics chapter by chapter. Many times, when a student is studying a particular chapter, they want to see what kind of questions are asked from that chapter in the previous JEE Mains exam. This article can also help those candidates to practice a number of questions from a particular chapter before moving on to the next chapter. Let’s dive into this article and get prepared to ace the JEE Mains exam 2026 physics exam.
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In this section, we will be seeing some of the highly weighted chapters and questions from those chapters. First, let's understand the weightage of the chapters in JEE Mains Physics.
Chapter Name | Weightage |
Optics | 13.26% |
Electrostatics | 10.74% |
Properties of Solids and Liquids | 9.05% |
Rotational Motion | 6.53% |
Magnetic Effects of Current and Magnetism | 6.32% |
Physics and Measurement | 6.11% |
Atoms And Nuclei | 4.84% |
Kinematics | 4.63% |
Thermodynamics | 4.63% |
Current Electricity | 4.63% |
Chapter by chapter, we will be seeing some of these questions. To access the full JEE Mains physics PYQ chapterwise, you can also refer to the JEE Main Chapter Wise PYQs. You can also use the JEE Main 2026 - A complete preparation strategy to prepare and ace the JEE Mains 2026 exam.
You can access the pdf download here: Optics
Some important questions asked from Optics are given below:
Q. 1 A single slit of width 0.1 mm is illuminated by a parallel beam of light of wavelength
Option 1:
3 mm
Option 2:
9 mm
Option 3:
4.5 mm
Option 4:
1.5 mm
Correct Answer:
9 mm
Q. 2 In an experiment for determination of the refractive index of glass of a prism by
Option 1:
1.5
Option 2:
1.6
Option 3:
1.7
Option 4:
1.8
Correct Answer:
1.5
Solution:
If
where,
Given,
So, anqle of deviation by a qlass prism
Given,
So, angle of deviation by a glass prism
$$
\delta=i+e-A \Rightarrow 40^{\circ}=35^{\circ}+79^{\circ}-A
$$
i.e.Angle of prism
Such that,
Let us put
$$
\begin{aligned}
& 1.5=\frac{\sin \left(\frac{A+\delta_{\text {min }}}{2}\right)}{\sin A / 2} \
& \Rightarrow 1.5=\frac{\sin \left(\frac{74^{\circ}+\delta_{\text {min }}}{2}\right)}{\sin 37^{\circ}} \
& \Rightarrow 0.9=\sin \left(37^{\circ}+\frac{\delta_{\text {min }}}{2}\right)\left(\because \sin 37^{\circ} \approx 0.6\right) \
& \sin 64^{\circ}=\sin \left(37^{\circ}+\frac{\delta_{\text {min }}}{2}\right)\left(\because \sin 64^{\circ}=0.9\right) \
& 37^{\circ}+\frac{\delta_{\text {min }}}{2}=64^{\circ} \Rightarrow \delta_{\text {min }} \approx 54^{\circ}
\end{aligned}
$$
This angle is greater than the
Hence, the closest answer will be 1.5 .
Hence, the answer is the option (1).
You can access the pdf download here:Electrostatics
Some questions asked from this chapter are given below:
Q. 1 Three charges
Option 1:
$$
\frac{-q}{1+\sqrt{2}}
$$
Option 2:
$$
\frac{-\sqrt{2} q}{\sqrt{2}+1}
$$
Option 3:
+q
Option 4:
-2q
Correct Answer:
$$
\frac{-\sqrt{2} q}{\sqrt{2}+1}
$$
Solution:
Potential Energy Of a System Of n Charge -
$$
U=K\left(\frac{Q_1 Q_2}{r_{12}}+\frac{Q_2 Q_3}{r_{23}}+\frac{Q_1 Q_3}{r_{13}}\right)
$$
- wherein
For system of 3 charges.
$$
\begin{aligned}
& U=K\left[\frac{q^2}{d}+\frac{Q q}{d}+\frac{Q q}{d \sqrt{2}}\right]=0 \
& \Rightarrow Q=\frac{-q \sqrt{2}}{\sqrt{2}+1}
\end{aligned}
$$
Q. 2 Within a spherical charge distribution of charge density
Option 1:
$$
\rho(r) \alpha r
$$
Option 2:
$$
\rho(r)=\text { constant }
$$
Option 3:
$$
\rho(r) \alpha \frac{1}{r}
$$
Option 4:
$$
\rho(r) \alpha \frac{1}{r^2}
$$
Correct Answer:
$$
\rho(r) \alpha \frac{1}{r}
$$
Solution:
As we learned
Relation between field and potential -
$$
E=\frac{-d V}{d r}
$$
- wherein
If P lies inside -
$$
\begin{aligned}
& E_{i n}=\frac{1}{4 \pi \epsilon_0} \frac{Q r}{R^3} \quad V_{i n}=\frac{Q}{4 \pi \epsilon_0} \frac{3 R^2-r^2}{2 R^3} \
& E_{i n}=\frac{\rho r}{3 \epsilon_0} \quad V_{i n}=\frac{\rho\left(3 R^2-r^2\right)}{6 \epsilon_0}
\end{aligned}
$$
We know
Here
Now, the electric field inside the spherical charge distribution
$$
E=\frac{\rho}{3 \epsilon_0} r
$$
E would be constant of
$$
\rho(r) \propto \frac{1}{r}
$$
Hence, the answer is the option (3).
You can access the pdf download here:Rotational Motion
Some important questions to practice from this chapter are given below:
Q. 1 A cord of negligible mass is wound around the rim of a wheel supported by spokes with negligible mass. The mass of wheel is 10 kg and radius is 10 cm and it can freely rotate without any friction. Initially the wheel is at rest. If a steady pull of 20 N is applied on the cord, the angular velocity of the wheel, after the cord is unwound by 1 m , would be :
Option 1:
20rad/s
Option 2:
30rad/s
Option 3:
10rad/s
Option 4:
0rad/s
Correct Answer:
20rad/s
Solution:
$$
\begin{aligned}
& \mathrm{W}_{\mathrm{F}}=20 \times 1=20 \mathrm{~J} \
& \therefore \quad \Delta \mathrm{KE}=20 \mathrm{~J}=\frac{1}{2} \mathrm{I} \omega^2 \
& \mathrm{I}=\mathrm{MR}^2=10 \times 0.1^2=0.1 \mathrm{~kg} \mathrm{~m}^2 \
& \therefore \quad 20=\frac{1}{2} \times 0.1 \times \omega^2 \
& \Rightarrow \omega=20 \mathrm{rad} / \mathrm{sec}
\end{aligned}
$$
Hence, the answer is the option (1)
Q. 2 In a physical balance working on the principle of moments, when 5 mg weight is placed on the left pan, the beam becomes horizontal. Both the empty pans of the balance are of equal mass. Which of the following statements is correct?
Option 1:
Left arm is longer than the right arm
Option 2:
Both the arms are of same length
Option 4:
Every object that is weighed using this balance appears lighter than its actual weight.
Correct Answer:
Left arm is shorter than the right arm
Solution:
Point of application of force -
The point at which if the net force is assumed to be acting then it will produce the same effect of both translation \& rotation.
For balance
Anticlockwise Moment = Clockwise Moment
i.e. Load × load arm
When 5 mg weight is placed on the left side
the load arm shifts to the left side, hence left arm becomes shorter than the right arm.
Hence, the answer is the option (3).
You can access the pdf download here:Magnetic Effects of Current and Magnetism
Some of the important questions asked from this chapter are given below:
Q. 1 A magnetic dipole in a constant magnetic field has :
Option 1:
maximum potential energy when the torque is maximum.
Option 2:
zero potential energy when the torque is minimum.
Option 3:
zero potential energy when the torque is maximum.
Option 4:
minimum potential energy when the torque is maximum.
Correct Answer:
zero potential energy when the torque is maximum.
Solution:
As we learned in
Torque -
$$
\begin{aligned}
& \vec{T}=\vec{M} \times \vec{B}=M=N i A \
& \mathrm{~T}=M B \sin \theta=N B i A \sin \theta
\end{aligned}
$$
M - magnetic moment
Work done by current carrying coil -
$$
W=M B(1-\cos \theta)
$$
For maximum torque,
Hence the answer is the option (3).
Q. 2 When a current of 5 mA is passed through a galvanometer having a coil of resistance
Your Answer:
Not Answered
Option 1:
$$
1.985 \times 10^3 \Omega
$$
Option 2:
$$
2.045 \times 10^3 \Omega
$$
Option 3:
$$
2.535 \times 10^3 \Omega
$$
Option 4:
$$
4.005 \times 10^3 \Omega
$$
Correct Answer:
$$
1.985 \times 10^3 \Omega
$$
Solution:
Given,
Ig (Galvanometer Current)
R = The value of the resistance to be put in series with the galvanometer
We know,
$$
V=\operatorname{Ig}(R+G)
$$
$$
10=5 \times 10^{-3}(R+15)
$$
$$
2000=R+15
$$
$$
\Rightarrow R=1985 \Omega=1.985 \times 10^3 \Omega
$$
You can access the pdf download here:Physics and Measurement
Some questions from this chapter are given below:
Q. 1 If time
Option 1:
$$
\left[t^{-1} v^1 l^{-2}\right]
$$
Option 2:
$$
\left[t^1 v^2 l^{-1}\right]
$$
Option 3:
$$
\left[t^{-2} v^{-1} l^1\right]
$$
Option 4:
$$
\left[t^{-1} v^{-2} l^1\right]
$$
Correct Answer:
$$
\left[t^{-1} v^{-2} l^1\right]
$$
Q.
Option 1:
$$
A^2-B^2 C^2
$$
Option 2:
$$
\frac{(A-C)}{D}
$$
Option 3:
$$
\frac{A}{B}-C
$$
Option 4:
$$
\frac{C}{B D}-\frac{(A D)^2}{C}
$$
Correct Answer:
$$
\frac{(A-C)}{D}
$$
Solution:
Dimension -
The power to which fundamental quantities must be raised in order to express the given physical quantities.
$$
A \cdot D=C \ln (B \cdot D)
$$
$$
A \cdot D=C \ln (B \cdot D)
$$
Hence
$$
[B]=\left[\frac{1}{D}\right]
$$
$$
\&[A \cdot D]=[C]
$$
in the
Hence the correct option is option 2.
For pdf download, visit this page: Atoms And Nuclei
For some questions asked from this chapter, refer below:
Q. 1 The acceleration of an electron in the first orbit of the hydrogen atom
Option 1:
$$
\frac{h^2}{\pi^2 m^2 r^3}
$$
Option 2:
$$
\frac{h^2}{8 \pi^2 m^2 r^3}
$$
Option 3:
$$
\frac{h^2}{4 \pi^2 m^2 r^3}
$$
Option 4:
$$
\frac{h^2}{4 \pi m^2 r^3}
$$
Correct Answer:
$$
\frac{h^2}{4 \pi^2 m^2 r^3}
$$
Solution:
Bohr quantisation principle -
$$
m v r=\frac{n h}{2 \pi}
$$
- wherein
The angular momentum of an electron in a stationary orbit is quantised.
$$
\begin{aligned}
& \because m v r=\frac{n h}{2 \pi} \Rightarrow v=\frac{h}{2 \pi m r}(n=1) \
& \therefore a=\left(\frac{h}{2 \pi m r}\right)^2 \cdot \frac{1}{r}=\frac{h^2}{4 \pi^2 m^2 r^3}
\end{aligned}
$$
Hence, the answer is option 3.
Q. 2 Imagine that a reactor converts all given mass into energy and that it operates at a power level of
Option 1:
$$
0.96 \mathrm{gm}
$$
Option 2:
$$
0.8 \mathrm{gm}
$$
Option 3:
$$
4 \times 10^{-2} \mathrm{gm}
$$
Option 4:
$$
6.6 \times 10^{-5} \mathrm{gm}
$$
Option 4:
$$
6.6 \times 10^{-5} \mathrm{gm}
$$
Correct Answer:
$$
4 \times 10^{-2} \mathrm{gm}
$$
Solution:
Energy mass equivalence -
$$
\Delta E=\Delta m \cdot c^2
$$
- wherein
$$
\Delta m=\text { mass defect }
$$
$$
\Delta E=\text { energy released }
$$
Amount of energy produced in
$$
1 \text { hour }=3600 \times 10^9 J=3.6 \times 10^{12} J
$$
This energy is produced by converting mass into energy so
$$
\begin{aligned}
& \Delta m=\frac{3.6 \times 10^{12}}{9 \times 10^{16}}=0.4 \times 10^{-4} \mathrm{~kg} \
& \Delta m=4 \times 10^{-2} \mathrm{gm}
\end{aligned}
$$
Hence, the answer is option 3.
You can access the pdf download here:
For some questions asked from this chapter, refer below:
Q. 1 A ball having kinetic energy KE , is projected at an angle of
Option 1:
$$
\frac{(\mathrm{KE})}{8}
$$
Option 2:
$$
\frac{(\mathrm{KE})}{4}
$$
Option 3:
$$
\frac{(\mathrm{KE})}{16}
$$
Option 4:
$$
\frac{(\mathrm{KE})}{2}
$$
Correct Answer:
$$
\frac{(\mathrm{KE})}{4}
$$
Solution:
Initial K.E,
$$
\text { K.E. }=\frac{1}{2} \mathrm{mu}^2
$$
Speed at the highest point
Speed at the highest point
$$
\begin{aligned}
\mathrm{v} & =\mathrm{u} \cos 60^{\circ}=\frac{\mathrm{u}}{2} \
\therefore \mathrm{KE}_f & =\frac{1}{2} \mathrm{~m}\left(\frac{\mathrm{u}}{2}\right)^2 \
& =\frac{1}{4} \times \frac{1}{2} \mathrm{mu}^2 \
& =\frac{\mathrm{KE}}{4}
\end{aligned}
$$
Hence, the answer is the option (2).
Q. 3 The magnetic susceptibility of a material of a rod is 499 . Permeability in vacuum is
Option 1:
$$
4 \pi \times 10^{-4} \mathrm{H} / \mathrm{m}
$$
Option 2:
$$
2 \pi \times 10^{-4} \mathrm{H} / \mathrm{m}
$$
Option 3:
$$
3 \pi \times 10^{-4} \mathrm{H} / \mathrm{m}
$$
Option 4:
$$
\pi \times 10^{-4} \mathrm{H} / \mathrm{m}
$$
Correct Answer:
$$
2 \pi \times 10^{-4} \mathrm{H} / \mathrm{m}
$$
You can access the pdf download here:Thermodynamics
For some questions asked from this chapter, refer below:
Q.
Correct Answer:
0.5
Solution:
Number of moles of diatomic gas
Hence, the Number of moles of monoatomic gas
Since
Work done
Change in internal energy = Heat supplied
Change in total kinetic energy
$$
\begin{aligned}
& \mathrm{n}_{\mathrm{i}}=\mathrm{N}, \quad C_{v i}=\frac{5 R}{2} \
& \mathrm{n}_{\mathrm{f}}=2 \mathrm{~N}, \quad C_{v f}=\frac{3 R}{2} \
& \therefore \Delta K=3 n R T-\frac{5}{2} n R T=\frac{1}{2} n R T
\end{aligned}
$$
Hence, the answer is 0.5 .
Q. 2 In a process, the temperature and volume of one mole of an ideal monoatomic gas are varied according to the relation
Correct Answer:
0.50
Solution:
As we know-
$$
\begin{aligned}
& \mathrm{VT}=\mathrm{K} \
& \mathrm{~V}\left[\frac{\mathrm{PV}}{\mathrm{nR}}\right]=\mathrm{K} \
& \mathrm{PV}^2=\mathrm{nRK} \
& \because \mathrm{~V}^2=\mathrm{K} \
& \because \mathrm{C}=\frac{\mathrm{R}}{1-\mathrm{x}}+\mathrm{C}_{\mathrm{v}} \
& \quad(\text { for polytropic process }) \
& \mathrm{C}=\frac{\mathrm{R}}{1-2}+\frac{3 \mathrm{R}}{2}=\frac{\mathrm{R}}{2} \
& \therefore \Delta \mathrm{Q}=\mathrm{nC} \Delta \mathrm{~T}=\frac{\mathrm{R}}{2} \Delta \mathrm{~T}
\end{aligned}
$$
Therefore '
Hence, the answer is 0.5 .
You can access the pdf download here:Current Electricity
For some questions asked from this chapter, refer below:
Q. 1 Two identical cells, when connected either in parallel or in series gives same current in an external resistance
Correct Answer:
5
Solution:
(I)
(II)
$$
\begin{aligned}
& \mathrm{r}_{\mathrm{eq}_1}=\frac{\mathrm{r}}{2}, \mathrm{r}_{\mathrm{eq} 2}=2 \mathrm{r} \
& \mathrm{E}_{\mathrm{eq}_1}=\frac{\mathrm{r}}{2}\left(\frac{\mathrm{E}}{\mathrm{r}}+\frac{\mathrm{E}}{\mathrm{r}}\right)=\mathrm{E}, \mathrm{E}_{\mathrm{eq} 2}=2 \mathrm{E} \
& \mathrm{I}_1=\frac{\mathrm{E}}{5+\frac{\mathrm{r}}{2}}, \mathrm{I}_2=\frac{2 \mathrm{E}}{2 \mathrm{r}+5} \
& \mathrm{I}_1=\mathrm{I}_2 \
& 2 \mathrm{r}+5=2\left(5+\frac{\mathrm{r}}{2}\right) \
& \mathrm{r}=5 \Omega
\end{aligned}
$$
Q. 2 The resistance of an electrical toaster has a temperature dependence given by
Option 1:
$$
400 \ln \frac{1.5}{1.3} J
$$
Option 1:
$$
400 \ln \frac{1.5}{1.3} J
$$
Option 2:
$$
200 \ln \frac{2}{3} J
$$
$$
400 \ln \frac{5}{6} J
$$
Option 4:
300 J
Correct Answer:
$$
400 \ln \frac{5}{6} J
$$
Solution:
Given :
Applying boundary conditions,
$$
\alpha=10^{-3} K^{-1}
$$
It is given that temperature increases at a constant rate from 300 K to 500 K in 30 s .
Hence,
By Joule's Law, heat dissipated in a resistor is given by :
Solving,
Work done on resistor
option (3).
For the rest of the chapterwise pyq, refer to the table below. You will find the entire pdf download for each of the chapters as mentioned below, along with their weightage:
Chapter Name | Weightage % |
4.42% | |
4.00% | |
4.00% | |
3.79% | |
3.79% | |
2.74% | |
2.53% | |
1.89% | |
1.47% | |
0.63% |
Solving Physics PYQ chapterwise offers multiple advantages:
Identifying the easiest type or high-scoping chapters and concepts.
Identify the repetitive concepts in questions and study them properly.
Understanding how the NCERT theory is included in questions.
Improves knowledge and understanding of concepts. Plus, you must also refer to JEE Main Latest Syllabus 2026.
Helps become faster and solve questions quickly.
Solve and practice JEE Main 2026 Important Formulas for Physics PDF.
Boosts confidence for a real-time exam.
Is Physics JEE Mains very difficult?
Physics is considered to be the most difficult by students attempting the JEE Mains. But, it is very much possible to score good marks by understanding the pattern and practising properly
Is JEE Mains 2026 difficult?
JEE Mains 2026 is expected to be between moderate and difficult as per past years' trend analysis.
How much time should I take to solve the physics question paper in JEE Mains?
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You should take around 2 to 2.5 minutes to solve each physics question in JEE Mains in order to finish the paper and score good marks.
On Question asked by student community
Arnav Gautam & P.Mohith secured 300 out of 300 in JEE Mains session 1, as per the provisional answer key. The list of toppers to be released with JEE Main results
JEE Main 2026 session 1 result is not declared yet. JEE Main session 1 result will be declared on February 12.
A rank above 50,000 is considered good in JEE Mains. Some of the private colleges accepting JEE Mains are
The 69-77 marks in JEE Main examination are considered to be the average score and does not guarantee best branches in top tier NITs and IIITs. Some of the branches in which students with this much score can get admission are Electronics and Communication Engineering, Computer Science and Engineering, and
With a rank between 50,000 and 65,000 in JEE Main, you can get admission in some of the NITs, private and government colleges. Here is the list of some of the colleges.
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