Physics MCQs
Physics MCQs cover mechanics, thermodynamics, electromagnetism, optics, waves, nuclear, and modern physics. Perfect for CSS, PMS, FPSC, NTS, and university exams, they enhance conceptual understanding and problem-solving skills for academic and job success.
Q: SI unit of work?
A) Meter
B) Watt
C) Joule
D) Newton
✅ Correct Answer: C
Explanation: Work is measured in joules.
Q: Why sky appears blue?
A) Scattering of red light
B) Reflection
C) Refraction
D) Scattering of blue light
✅ Correct Answer: D
Explanation: Shorter blue wavelengths scatter more in the atmosphere.
Q: Thermometer uses which property?
A) Density
B) Thermal expansion
C) Magnetic
D) Electrical
✅ Correct Answer: B
Explanation: Thermometers rely on thermal expansion of substances.
Q: Motion of pendulum is?
A) Linear
B) Projectile
C) Periodic
D) Random
✅ Correct Answer: C
Explanation: Pendulum exhibits periodic motion, repeating in equal intervals.
Q: Relation between frequency and wavelength?
A) Exponential
B) Inverse
C) Direct
D) No relation
✅ Correct Answer: B
Explanation: Frequency and wavelength are inversely related in a wave.