Physics MCQ Questions with answers

WhatsApp Facebook 🖤 Twitter

Here Important Physics MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping Share button.

Learn Physics mcqs in hindi here.

Q. The escape velocity is related to orbital velocity as:

(A) Ve = Vo
(B) Ve = √2 Vo
(C) Ve = 2Vo
(D) Ve = Vo/2

📝 Notes

✅ Correct Answer: (B) Ve = √2 Vo

Explanation: Escape velocity Ve = √(2GM/R) and orbital velocity Vo = √(GM/R), hence Ve = √2 Vo.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. The SI unit of magnetic flux density is:

(A) Weber
(B) Henry
(C) Tesla
(D) Ampere

📝 Notes

✅ Correct Answer: (C) Tesla

Explanation: Magnetic flux density or magnetic field B is measured in Tesla (T).

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. The color of a star depends primarily on its:

(A) Mass
(B) Radius
(C) Temperature
(D) Distance from Earth

📝 Notes

✅ Correct Answer: (C) Temperature

Explanation: Hotter stars appear blue, while cooler stars appear red due to black-body radiation.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. The emf induced in a coil depends upon:

(A) Magnetic flux only
(B) Rate of change of magnetic flux
(C) Resistance of coil
(D) Current through coil

📝 Notes

✅ Correct Answer: (B) Rate of change of magnetic flux

Explanation: According to Faraday's law, induced emf is proportional to the rate of change of magnetic flux.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. Which of the following particles has the maximum mass?

(A) Electron
(B) Proton
(C) Neutron
(D) Photon

📝 Notes

✅ Correct Answer: (C) Neutron

Explanation: The neutron is slightly heavier than the proton and much heavier than the electron.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. The SI unit of thermal conductivity is:

(A) W/m·K
(B) J/kg·K
(C) N/m²
(D) W/K

📝 Notes

✅ Correct Answer: (A) W/m·K

Explanation: Thermal conductivity is measured in watt per meter per kelvin.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. The graph between pressure and volume for an isothermal process is:

(A) Straight line
(B) Parabola
(C) Hyperbola
(D) Circle

📝 Notes

✅ Correct Answer: (C) Hyperbola

Explanation: For an isothermal process PV = constant, which represents a rectangular hyperbola.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. The magnetic field at the center of a solenoid is directly proportional to:

(A) Length of solenoid
(B) Current and turns per unit length
(C) Resistance
(D) Radius only

📝 Notes

✅ Correct Answer: (B) Current and turns per unit length

Explanation: The magnetic field inside a long solenoid is B = μ₀nI.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. Which phenomenon proves that light is a transverse wave?

(A) Interference
(B) Diffraction
(C) Polarization
(D) Refraction

📝 Notes

✅ Correct Answer: (C) Polarization

Explanation: Only transverse waves can be polarized. Hence polarization proves the transverse nature of light.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Q. The dimensional formula of power is:

(A) [ML²T⁻²]
(B) [MLT⁻²]
(C) [ML²T⁻³]
(D) [MLT⁻¹]

📝 Notes

✅ Correct Answer: (C) [ML²T⁻³]

Explanation: Power = Work/Time = [ML²T⁻²]/[T] = [ML²T⁻³].

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 01:35 pm in Physics

Jump to

Attempt 200+ Quizzes on Physics

📚 Select Subject

Click on any subject to explore thousands of MCQs and start practicing