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: First law of motion is also known as?
A) Law of Energy
B) Law of Acceleration
C) Law of Action
D) Law of Inertia
βœ… Correct Answer: D
Explanation: Newton's first law is the law of inertia.
Q: What causes tides in Earth’s oceans?
A) Sun’s radiation
B) Moon’s gravity
C) Wind
D) Earthquakes
βœ… Correct Answer: B
Explanation: Tidal forces are mainly due to the Moon’s gravitational pull.
Q: Which wave does not require a medium?
A) Seismic
B) Sound
C) Light
D) Water
βœ… Correct Answer: C
Explanation: Light is an electromagnetic wave and can travel through vacuum.
Q: Sound travels fastest in?
A) Vacuum
B) Water
C) Steel
D) Air
βœ… Correct Answer: C
Explanation: Sound travels faster in solids like steel due to tightly packed particles.
Q: What kind of lens is used to correct short-sightedness?
A) Convex
B) Cylindrical
C) Concave
D) Spherical
βœ… Correct Answer: C
Explanation: Concave lenses spread light and help focus distant objects.