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: First law of motion is also known as?
A) Law of Energy
B) Law of Acceleration
C) Law of Action
D) Law of Inertia
✅ 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
✅ 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
✅ 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
✅ 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
✅ Correct Answer: C
Explanation: Concave lenses spread light and help focus distant objects.
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.