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Stars twinkle...

Question

Stars twinkle because of ___.

A

reflection of light

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B

refraction of light

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C

dispersion of light

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D

total internal reflection of light

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Solution

The correct option is B refraction of light
Stars do not actually twinkle. It is mainly an atmospheric effect. Stars appear to twinkle because of the refraction of light by the Earth’s atmosphere.

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Similar questions

Q. The twinkling of stars is due to atmospheric :
(a) reflection of light (b) dispersion of light
(c) interference of light (d) refraction of light

Q. Question 6
Twinkling of stars is due to atmospheric

(a) dispersion of light by water droplets
(b) refraction of light by different layers of varying refractive indices
(c) scattering of light by dust particles
(d) internal reflection of light by clouds

Q. Question 5
Which of the following phenomena of light are involved in the formation of a rainbow?

(a) Reflection, refraction and dispersion
(b) Refraction, dispersion and total internal reflection
(c) Refraction, dispersion and internal reflection
(d) Dispersion, scattering and total internal reflection

Statement 1: Stars twinkle but planets do not.

Statement 2: Stars have their own light but a planet reflects the light from the stars.

Q. Stars twinkle but planet do not twinkle because :

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