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Physics General Knowledge Questions: Physics GK Question for Competitive Exams

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Physics Questions and Answers for SSC Exam

Q. What is the use of Periscope?

Ans . To observe objects on the surface from the submarine 

Q. What is the purpose of Mariner’s compass?

Ans . To find the direction of the ship in the sea 

Q. What is the use of Stereoscope?

Ans . To see the photos taken by two cameras placed at two different angles 

Q. What is the use of Callipers?

Ans . To measure the internal and external diameter of a tube 

Q. What is the purpose of a Geiger counter?

Ans . To detect and count nuclear particles and radiation 

Q. What is the use of Cardiograph?

Ans . It is an instrument to record the beats of heart 

Q. What is the use of Audiometer?

Ans . To measure the intensity of sound 

Q. What is the use of Saccharometer?

Ans . To determine the sugar concentration in a liquid 

Q. What is the use of Photometer?

Ans . To measure the intensity of light 

Q. What is the use of Hygrometer?

Ans . To measure the humidity of atmosphere 

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