Common daily life science queries – 7

Q:- Why stars twinkle?

Ans:-  Do you know the phenomenon of refraction? Refraction is the bending of light as it moves from one medium to another.

Our air has many layers. The light from a star reaches us after refraction as it passes through various layers of air. When the light passes through the earth’s atmosphere, it is made to bend by the layers of the air and it appears as if the stars are twinkle.

Q:- Why a person is pushed back slightly, when he fires a gun? Continue reading “Common daily life science queries – 7”

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