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: Which instrument is used to detect earthquakes?
A) Barometer
B) Altimeter
C) Seismometer
D) Ammeter
✅ Correct Answer: C
Explanation: A seismometer records the magnitude and duration of earthquakes.
Q: Who discovered the law of gravitation?
A) Newton
B) Galileo
C) Einstein
D) Faraday
✅ Correct Answer: A
Explanation: Isaac Newton formulated the universal law of gravitation.
Q: What is the speed of light in vacuum?
A) 3×10^8 m/s
B) 1.5×10^8 m/s
C) 2×10^8 m/s
D) 3×10^5 km/s
✅ Correct Answer: A
Explanation: Light travels at approximately 3×10^8 meters per second in vacuum.
Q: What type of mirror is used in vehicles for rear view?
A) Concave
B) Convex
C) Cylindrical
D) Plane
✅ Correct Answer: B
Explanation: Convex mirrors provide a wider field of view.
Q: Unit of electric power is?
A) Volt
B) Ohm
C) Watt
D) Ampere
✅ Correct Answer: C
Explanation: Watt is the SI unit of power, calculated as Voltage × Current.