Top 50 Important JEE Physics Questions with Answers (2026)
Preparing for JEE Main and JEE Advanced? Here are the top 50 most important JEE Physics questions with detailed answers and formulas. These questions cover Mechanics, Electrostatics, Current Electricity, Modern Physics, Optics, Thermodynamics, Waves, and Magnetism.
Why These JEE Physics Questions Are Important?
- Frequently asked concepts in JEE Main and Advanced
- Based on NCERT and previous year trends
- Includes formulas and numerical problems
- Helpful for quick revision and practice
- Suitable for Class 11 and Class 12 students
1. Motion with Constant Acceleration
Question: A particle moves with constant acceleration. If its velocity changes from 10 m/s to 30 m/s in 5 s, find the acceleration.
Formula Used:
\[ a = \frac{v-u}{t} \]
Answer:
\[ a = \frac{30-10}{5}=4\,m/s^2 \]
Final Answer: 4 m/s²
2. Maximum Height of Projectile
Question: A body is projected vertically upward with speed 20 m/s. Find the maximum height reached.
Formula Used:
\[ h = \frac{u^2}{2g} \]
Answer:
\[ h = \frac{20^2}{2\times10}=20\,m \]
Final Answer: 20 m
3. Time Period of Simple Pendulum
Question: Find the time period of a simple pendulum of length 1 m.
Formula Used:
\[ T = 2\pi \sqrt{\frac{l}{g}} \]
Answer:
\[ T \approx 2\,s \]
Final Answer: 2 seconds
4. Newton’s Second Law Numericals
Question: A force of 20 N acts on a body of mass 5 kg. Find acceleration.
Formula Used:
\[ F = ma \]
Answer:
\[ a = \frac{20}{5}=4\,m/s^2 \]
Final Answer: 4 m/s²
5. Kinetic Energy Formula Question
Question: Calculate the kinetic energy of a 2 kg body moving at 5 m/s.
Formula Used:
\[ KE=\frac{1}{2}mv^2 \]
Answer:
\[ KE=25\,J \]
Final Answer: 25 Joules
6. Hooke’s Law Question
Question: A spring of spring constant 200 N/m is stretched by 0.1 m. Find force applied.
Formula Used:
\[ F=kx \]
Answer:
\[ F=20\,N \]
Final Answer: 20 Newton
7. Gravitational Force Numericals
Question: Find gravitational force between two masses 2 kg and 3 kg separated by 2 m.
Formula Used:
\[ F=\frac{Gm_1m_2}{r^2} \]
Answer:
\[ F=1.0\times10^{-10}\,N \]
Final Answer: \(1.0\times10^{-10}\) N
8. Average Speed Question
Question: A car travels 100 km in 2 hours. Find average speed.
Formula Used:
\[ v=\frac{Distance}{Time} \]
Answer:
\[ v=50\,km/h \]
Final Answer: 50 km/h
9. Momentum Formula Question
Question: Find momentum of a 4 kg body moving at 3 m/s.
Formula Used:
\[ p=mv \]
Answer:
\[ p=12\,kg\,m/s \]
Final Answer: 12 kg·m/s
10. Work Done Numericals
Question: A body of mass 10 kg is lifted through 5 m. Find work done.
Formula Used:
\[ W=mgh \]
Answer:
\[ W=500\,J \]
Final Answer: 500 Joules
11. Electric Current Formula
Question: A charge of 2 C flows through a conductor in 4 s. Find current.
Formula Used:
\[ I=\frac{Q}{t} \]
Answer:
\[ I=0.5\,A \]
Final Answer: 0.5 Ampere
12. Ohm’s Law Questions for JEE
Question: Find resistance if potential difference is 12 V and current is 2 A.
Formula Used:
\[ R=\frac{V}{I} \]
Answer:
\[ R=6\,\Omega \]
Final Answer: 6 Ohm
13. Electric Power Numericals
Question: A bulb rated 100 W operates at 220 V. Find current.
Formula Used:
\[ P=VI \]
Answer:
\[ I=0.45\,A \]
Final Answer: 0.45 Ampere
14. Coulomb’s Law Questions
Question: Find electric force between two charges 1 μC each separated by 1 m.
Formula Used:
\[ F=\frac{kq_1q_2}{r^2} \]
Answer:
\[ F=9\times10^{-3}\,N \]
Final Answer: \(9\times10^{-3}\) N
15. Capacitor Charge Formula
Question: A capacitor of capacitance 2 μF is charged to 10 V. Find charge stored.
Formula Used:
\[ Q=CV \]
Answer:
\[ Q=20\,\mu C \]
Final Answer: 20 μC
Title
Top 50 JEE Physics Questions with Answers PDF | Important Numericals for JEE Main & Advanced
Description
Practice top 50 important JEE Physics questions with answers, formulas, and solutions. Includes Mechanics, Electrostatics, Modern Physics, Optics, Waves, and Thermodynamics numericals for JEE Main and Advanced preparation.
Keywords
JEE Physics Questions, JEE Main Physics Questions, JEE Advanced Physics Numericals, Physics Questions with Answers, Important Physics Questions for JEE, Mechanics Questions JEE, Modern Physics Questions, Current Electricity Questions, Physics Formula Questions