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Physics

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

Mirrors
Prisms
Lenses
Slabs

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Physics
It is easy to burst a gas-filled balloon with a needle than with a nail. It is because

Needle exerts more pressure than nail on the balloon.
Nail exerts more pressure than needle on the balloon.
Gas is reactive with the needle.
Nail is more longer than needle.

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Physics
It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?

Law of inertia
Newton's second law
Pascal's law
Newton's third law

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Physics
The device used for measuring the wavelength of X-rays is

Bragg Spectrometer
Mass Spectrometer
G.M. Counter
Cyclotron

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Physics
The speed of light will be minimum while passing through

Water
Vaccum
Air
Glass

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Physics
A colour-blind person cannot

See black colour
See distant objects
Distinguish between certain colours
Have persistence of vision

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MORE MCQ ON Physics

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