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Physics

Physics
What is the source of energy for the water cycle?

Animals
Clouds
Rain water
Sun

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Physics
A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ?

Hyper–parabolic
Great circle
Circle
Parabolic

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Physics
The value of coefficient of restitution in perfectly elastic collision is

2
1
0.5

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Physics
A photo-electric cell converts

Light energy to chemical energy
Light energy to electrical energy
Heat energy to mechanical energy
Mechanical energy to electric energy

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Physics
One nanometer is equal to

10-5m
10-8m
10-9m
10-6m

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Physics
A star appears twinkling in the sky because of

Diffraction of light by atmosphere
Refraction of light by atmosphere
Reflection of light by atmosphere
Scattering of light by atmosphere

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MORE MCQ ON Physics

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