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To an observer on the earth the stars ap...

To an observer on the earth the stars appear to twinkle. This can be ascribed to

A

The fact that stars do not emit light continuously

B

Frequent absorption of star light by their own atmosphere

C

Frequent absorption of star light by the earth's atmosphere

D

The refractive index fluctuations in the earth's atmosphere

Text Solution

Verified by Experts

The correct Answer is:
D

It is due to multiple refraction and refractive index fluctuation in the earth’s atmosphere.
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