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: 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.
Q: Value of one horsepower?
A) 746 watts
B) 1000 watts
C) 960 watts
D) 500 watts
✅ Correct Answer: A
Explanation: One horsepower is defined as 746 watts.
Q: Material that does not allow electricity?
A) Iron
B) Copper
C) Wood
D) Silver
✅ Correct Answer: C
Explanation: Wood is an insulator and does not conduct electricity.
Q: Effect of increasing resistance in a circuit?
A) No change
B) Voltage increases
C) Current decreases
D) Current increases
✅ Correct Answer: C
Explanation: According to Ohm’s law, higher resistance lowers the current.
Q: Reason for seasons on Earth?
A) Earth’s tilt
B) Solar flares
C) Distance from Sun
D) Moon’s orbit
✅ Correct Answer: A
Explanation: Earth's axial tilt causes varying sunlight, leading to seasons.
Q: Light-year measures?
A) Time
B) Speed
C) Distance
D) Mass
✅ Correct Answer: C
Explanation: A light-year is the distance light travels in one year.