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: Concept behind floating of objects?
A) Bernoulli’s Principle
B) Pascal’s Law
C) Archimedes’ Principle
D) Newton’s Law
✅ Correct Answer: C
Explanation: Archimedes' principle explains buoyant force responsible for floating.
Q: Type of mirror in car headlights?
A) Concave
B) Plane
C) Convex
D) Cylindrical
✅ Correct Answer: A
Explanation: Concave mirrors focus light into a beam, suitable for headlights.
Q: Nature of sound in air?
A) Mechanical wave
B) Electromagnetic wave
C) Longitudinal wave
D) Transverse wave
✅ Correct Answer: C
Explanation: In air, sound travels as a longitudinal wave.
Q: Wave property determining loudness?
A) Speed
B) Wavelength
C) Amplitude
D) Frequency
✅ Correct Answer: C
Explanation: Amplitude affects the loudness of a sound.
Q: First law of motion describes?
A) Inertia
B) Gravity
C) Acceleration
D) Energy
✅ Correct Answer: A
Explanation: Newton's First Law is also called the Law of Inertia.