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Physics

Physics
Light from Sun reaches Earth in approximately

3 minutes
10 minutes
8 minutes
12 minutes

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Physics
When a piece of stone is immersed in water, it displaces water of equal

Volume
Mass
Specific gravity
Density

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Physics
For a freely falling body, the sum of kinetic energy and potential energy is always

Unity
Variable
Same
Zero

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Physics
Electrostatic precipitator is used to control the pollution of

Thermal
Noise
Air
Water

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Physics
Permissible noise level at Residential area during night time is :

45 dB (A)
75 dB (A)
80 dB (A)
55 dB (A)

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Physics
The reflector of a search light is a :

Convex mirror
Concave mirror
Plane mirror
Cylindrical mirror

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MORE MCQ ON Physics

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