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: Area under velocity-time graph gives?
A) Distance
B) Speed
C) Acceleration
D) Force
✅ Correct Answer: A
Explanation: Area under a velocity-time graph represents the distance traveled.
Q: Pressure in a liquid increases with?
A) Temperature
B) Height
C) Surface area
D) Depth
✅ Correct Answer: D
Explanation: Liquid pressure increases with depth.
Q: Newton’s third law states?
A) Gravity pulls down
B) Objects remain at rest
C) Action equals reaction
D) F = ma
✅ Correct Answer: C
Explanation: For every action, there is an equal and opposite reaction.
Q: Electric current measured in?
A) Volts
B) Amperes
C) Ohms
D) Watts
✅ Correct Answer: B
Explanation: Ampere is the unit of electric current.
Q: Effect of doubling mass on kinetic energy (same speed)?
A) Quadruples
B) No change
C) Halves
D) Doubles
✅ Correct Answer: D
Explanation: Kinetic energy is directly proportional to mass.
Q: Voltage across resistor is determined by?
A) V = I²R
B) V = I/R
C) V = R/I
D) V = IR
✅ Correct Answer: D
Explanation: Ohm's law states voltage equals current times resistance.
Q: Nature of light?
A) Neither
B) Both wave and particle
C) Only particle
D) Only wave
✅ Correct Answer: B
Explanation: Light exhibits both wave and particle properties (wave-particle duality).
Q: Instrument measuring atmospheric pressure?
A) Thermometer
B) Barometer
C) Anemometer
D) Altimeter
✅ Correct Answer: B
Explanation: Barometer is used to measure air pressure.
Q: Escape velocity depends on?
A) Object’s mass
B) Altitude
C) Temperature
D) Planet’s mass and radius
✅ Correct Answer: D
Explanation: Escape velocity is based on planet’s mass and radius.
Q: Why metals conduct electricity?
A) Magnetic properties
B) High density
C) Free electrons
D) Strong bonds
✅ Correct Answer: C
Explanation: Free-moving electrons in metals allow current flow.