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Basic Physics Questions with Answers

2 years ago 8.3K Views
Q :  

Which material rod is often used to make electromagnets?

(A) Steel

(B) malleable iron

(C) Brass

(D) None of these

Correct Answer : B

Q :  

How does pupil come in bright light?

(A) big

(B) small

(C) No change

(D) None of these

Correct Answer : B

Q :  

Which of the following substances cannot be used for lenses?

(A) Water

(B) Soil

(C) Plastic

(D) glass

Correct Answer : B

Q :  

Which of the following unit is Newton?

(A) force

(B) Displacement

(C) distance

(D) energy

Correct Answer : A

Q :  

The small hole in the middle of the iris is called?

(A) pupil

(B) blood plate

(C) Retina

(D) frontend

Correct Answer : A

Q :  

Which metal is used to make a solar cell?

(A) Steel

(B) Silicon

(C) Abarkha

(D) glass

Correct Answer : B

Q :  

Which of the following is not used as cooking fuel?

(A) LPG

(B) Biogas

(C) CNG

(D) Coal

Correct Answer : C

Q :  

According to which principle does the electric motor work?

(A) Ohm's law

(B) Lenz's law

(C) Faraday's law

(D) None of these

Correct Answer : C

Q :  

Which of the following metals is used as a semiconductor in transistors?

(A) Silver

(B) Graphite

(C) Germanium

(D) All of these

Correct Answer : C

Q :  

What is a Coolidge tube used to produce?

(A) Micro waves

(B) Radio waves

(C) X Rays

(D) None of these

Correct Answer : C

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