Physics related questions and answers

DoThe Best
By DoThe Best October 15, 2015 12:38

1. A falling drop of rain water acquires the spherical shape due to

A. viscosity
B. gravitational force
C. surface tension
D. atmospheric pressure


2.In a reactor, cadmium rods are used for

A. absorping neutrons
B. speeding neutrons
C. slowing fast neutrons
D. dispersing neutrons


3.The difference between musical sound noise is due to

A. pitch
B. intensity
C. wavelength
D. musical instrument


4.Atom bomb is based on

A. nuclear fission
B. nuclear fusion
C. chemical reaction
D. artificial radioactivity


5.Oil or soap film when in daylight appears coloured because of

A. reflection
B. refraction
C. interference
D. surface energy


DoThe Best
By DoThe Best October 15, 2015 12:38
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