Physics related questions and answers

DoThe Best
By DoThe Best February 3, 2016 12:21

Physics related questions and answers

Colour formation in thin films is due to

A. reflection
B. refraction
C. interference
D. diffraction

Answer:C

A transformer

A. transforms energy
B. generates e.m.f.
C. transforms frequency
D. transforms voltage

Answer:B

Sound travels fast through

A. water
B. air
C. steel
D. vacuum

Answer:C

The lens used to rectify long sight is

A. convex lens
B. concave lens
C. plano concave lens
D. plano convex lens

Answer:A

A watch based on the oscillating spring is taken from earth to moon, it will

A. run slow
B. run fast
C. stop altogether
D. give the same time

Answer:D

DoThe Best
By DoThe Best February 3, 2016 12:21
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