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: Time period of a pendulum depends on?
A) Amplitude
B) Force
C) Length
D) Mass
✅ Correct Answer: C
Explanation: Time period is directly proportional to square root of length.
Q: The color with highest frequency is?
A) Violet
B) Yellow
C) Green
D) Red
✅ Correct Answer: A
Explanation: Violet light has the shortest wavelength and highest frequency.
Q: What is measured using a barometer?
A) Pressure
B) Voltage
C) Force
D) Speed
✅ Correct Answer: A
Explanation: Barometer measures atmospheric pressure.
Q: The center of mass of a uniform rod is at?
A) Center
B) One end
C) 1/3rd length
D) Varies
✅ Correct Answer: A
Explanation: Uniform rod has center of mass at its midpoint.
Q: SI unit of pressure?
A) Pascal
B) Newton
C) Joule
D) Hertz
✅ Correct Answer: A
Explanation: Pascal is equal to one Newton per square meter.
Q: Electric field lines originate from?
A) Center of gravity
B) Positive charge
C) Negative charge
D) Neutral point
✅ Correct Answer: B
Explanation: Electric field lines start from positive and end at negative.
Q: What happens to resistance if length of wire is doubled?
A) Quadrupled
B) No change
C) Halved
D) Doubled
✅ Correct Answer: D
Explanation: Resistance is directly proportional to length.
Q: Which of the following is an electromagnetic wave?
A) Shock wave
B) Water wave
C) Sound
D) X-ray
✅ Correct Answer: D
Explanation: X-rays are part of electromagnetic spectrum.
Q: The turning effect of a force is called?
A) Work
B) Power
C) Moment
D) Energy
✅ Correct Answer: C
Explanation: Moment = Force × Perpendicular distance.
Q: Instrument to measure potential difference?
A) Voltmeter
B) Ammeter
C) Ohmmeter
D) Galvanometer
✅ Correct Answer: A
Explanation: Voltmeter is used to measure voltage across components.