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Twinkling of a Star

Twinkling of ...

Question

Twinkling of stars is due to___________.

A

dispersion of light

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B

atmospheric refraction

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C

diffraction of light

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D

internal reflection

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Solution

The correct option is B
atmospheric refraction

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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. Match the following :

LIST I	LIST II
A) Rainbow	1) Scattering of light
B) Twinkling of stars	2) Dispersion of light
C) Blue colour of sky	3) Fluctuation of the refraction index in atmosphere layers
D) Advancement of sunrise and delay of sunset	4) Refraction of light

Q. The atmospheric refraction of light causes the twinkling of :
(a) planets only (b) stars only
(c) planets and stars (d) stars and satellites

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

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