Physics MCQs
Physics MCQs are essential for aspirants preparing for competitive exams such as CSS, PMS, FPSC, NTS, and university-level tests. Our carefully curated collection of Physics MCQs covers fundamental and advanced topics like mechanics, thermodynamics, electromagnetism, optics, waves, nuclear physics, and modern physics. These multiple-choice questions are structured to test both conceptual understanding and problem-solving skills, making them ideal for students of FSc, BSc, and engineering backgrounds. Whether you're revising for your board exams, entrance tests, or job-based assessments, our Physics MCQs offer a solid foundation and real-time practice to boost your confidence and accuracy. Each question is updated and follows the latest exam trends in Pakistan. This section serves as a free, self-paced tool to strengthen your physics knowledge and perform excellently in any science-related test.
Q: Nuclear energy is obtained from?
A) Combustion
B) Friction
C) Fission
D) Fusion only
✅ Correct Answer: C
Explanation: Energy is released during nuclear fission of heavy atoms.
Q: Distance covered per unit time is?
A) Displacement
B) Acceleration
C) Speed
D) Velocity
✅ Correct Answer: C
Explanation: Speed = Distance / Time.
Q: Thermal energy always flows from?
A) Low to high mass
B) Hot to cold
C) Cold to hot
D) High pressure to low
✅ Correct Answer: B
Explanation: Heat flows from higher to lower temperature.
Q: Which law is used in rocket propulsion?
A) Newton’s Second
B) Newton’s First
C) Newton’s Third
D) Law of Gravity
✅ Correct Answer: C
Explanation: Newton’s Third Law explains rocket thrust.
Q: Capacitor stores energy in the form of?
A) Radiation
B) Electric field
C) Magnetic field
D) Kinetic energy
✅ Correct Answer: B
Explanation: Capacitors store potential energy in the electric field.
Q: Which wave has the longest wavelength?
A) Infrared
B) Radio
C) Microwave
D) Gamma
✅ Correct Answer: B
Explanation: Radio waves have the longest wavelengths in the EM spectrum.
Q: Which gas is used in fluorescent lamps?
A) Argon
B) Mercury vapor
C) Oxygen
D) Nitrogen
✅ Correct Answer: B
Explanation: Mercury vapor emits UV light in fluorescent tubes.
Q: One horsepower is equal to how many watts?
A) 746
B) 500
C) 620
D) 1000
✅ Correct Answer: A
Explanation: 1 HP = 746 watts of power.
Q: What is the term for rate of doing work?
A) Momentum
B) Efficiency
C) Power
D) Energy
✅ Correct Answer: C
Explanation: Power = Work / Time.
Q: Which of the following quantities is conserved in all collisions?
A) Momentum
B) Speed
C) Distance
D) Acceleration
✅ Correct Answer: A
Explanation: Law of conservation of momentum applies in all collisions.