Physics General Knowledge Questions: Physics GK Question for Competitive Exams

Rajesh Bhatia3 months ago 589.5K Views Join Examsbookapp store google play
Physics General Knowledge GK Questions

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In this post, I am sharing important physics questions. Practice physics gk with these important and selective physics questions and answers. You should try to memorize this collection of physics general knowledge questions for better results in competitive exams. 

If you want to read Gk 2018 at a single page: Visit Gk Questions Blog. 

These Physics related questions are useful and there is a strong chance to ask these physics questions again for the competitive exams of 2018 like IAS, Bank PO, SSC CGL, RAS, CDS, UPSC exams, and all state-related exams. 

You should also check General Science Questions and Chemistry GK Questions for better practice of Physics General knowledge for Competitive Exams. Try to solve these basic physics questions for better results in SSC.

Physics GK Questions

Q :  

The unit of which of the following is not newton-metre?

(A) Force

(B) Energy

(C) Work

(D) kinetic Energy

Correct Answer : A

Q :  

Which of the following is not a unit of heat?

(A) Calorie

(B) Degree Celsius

(C) Joule

(D) Kcal

Correct Answer : B

Q :  

Where will it take more time to cook rice?

(A) on the beach

(B) in Shimla

(C) Mount Everest

(D) at the depth of the sea

Correct Answer : C

Q :  

What happens to the temperature of a liquid when it evaporates?

(A) increase

(B) remain unchanged

(C) grow faster

(D) decrease

Correct Answer : D

Q :  

The reason for the diffusion of light in the atmosphere is?

(A) Carbon dioxide

(B) Water Vapor

(C) Helium

(D) Dust Particles

Correct Answer : D

Q :  

The amount of buoyancy obtained by a solid partially or fully immersed in a liquid depends on?

(A) on the amount of liquid displaced by the solid

(B) on the weight of the solid

(C) on the mass of the solid

(D) none of these

Correct Answer : A

Q :  

The reason why a needle floats on top of the water is?

(A) Surface tension

(B) Adhesion

(C) Cohesion

(D) Capillarity

Correct Answer : A

Q :  

What is the reason for the spherical shape of a liquid drop?

(A) Viscosity

(B) Light Load

(C) Surface Tension

(D) Atmospheric Pressure

Correct Answer : C

Q :  

The working principle of the washing machine is?

(A) Sub-Centre

(B) Diffusion

(C) Centrifugation

(D) Dialysis

Correct Answer : C

Q :  

An iron needle sinks in water but a ship floats, on what principle is this based?

(A) Pascal's principle

(B) Principle of Archimedes

(C) Law of Gravitation

(D) None of these

Correct Answer : B

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    Rajesh Bhatia

    A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at

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