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Physics

Physics
Rainbow is seen after rain because of hanging molecules of water which act as

Slabs
Lenses
Prisms
Mirrors

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Physics
One thousand microns is equal to

10-6m
10-12m
10-9m
10-3m

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Physics
The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as

Audible sounds
Megasonics
Ultrasonics
Infrasonics

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Physics
Which combination of colour is the most convenient during day and night time ?

Red and green
Yellow and blue
Organe and blue
White and black

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Physics
The reflector of a search light is a :

Plane mirror
Concave mirror
Convex mirror
Cylindrical mirror

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Physics
Total internal reflection can not take place when light goes from :

Water to air
Water to glass
Glass to air
Glass to water

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MORE MCQ ON Physics

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