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 fission example?
A) Fusion in sun
B) Lightning
C) Splitting uranium
D) Chemical reaction
✅ Correct Answer: C
Explanation: Fission involves splitting heavy atomic nuclei like uranium.
Q: Force that keeps planets in orbit?
A) Gravitational
B) Friction
C) Magnetic
D) Centripetal
✅ Correct Answer: A
Explanation: Gravitational force keeps celestial bodies in orbit.
Q: Lens that spreads light rays?
A) Plano-convex
B) Biconvex
C) Convex
D) Concave
✅ Correct Answer: D
Explanation: Concave lenses diverge light rays.
Q: Reason for echoes?
A) Refraction
B) Absorption
C) Diffraction
D) Reflection
✅ Correct Answer: D
Explanation: Echoes are caused by reflection of sound waves.
Q: Electric bulb converts electrical energy into?
A) Heat only
B) Light only
C) Light and heat
D) Sound
✅ Correct Answer: C
Explanation: Bulbs emit both heat and light energy.
Q: Magnetic field around a wire is due to?
A) Current
B) Resistance
C) Length
D) Voltage
✅ Correct Answer: A
Explanation: Electric current in a wire generates a magnetic field.
Q: Absolute zero temperature?
A) -273.15°C
B) 0°C
C) -100°C
D) -459°C
✅ Correct Answer: A
Explanation: Absolute zero is the theoretical point at which particles have no kinetic energy.
Q: Best conductor of heat?
A) Copper
B) Glass
C) Wood
D) Plastic
✅ Correct Answer: A
Explanation: Copper conducts heat efficiently due to free electrons.
Q: Principle behind hydraulic lift?
A) Pascal’s
B) Archimedes’
C) Newton’s
D) Bernoulli’s
✅ Correct Answer: A
Explanation: Pascal's Law states pressure applied to a fluid is transmitted equally.
Q: Change of state from solid to gas?
A) Condensation
B) Melting
C) Boiling
D) Sublimation
✅ Correct Answer: D
Explanation: Sublimation is the direct transition from solid to gas.