Name the phenomenon that causes twinkling of the star on a clear sky.

Atmospheric refraction

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Dispersion of light

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Reflection of light

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Interference of light

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Solution

The correct option is A Atmospheric refraction
Twinkling of stars is due to atmospheric refraction. Light from the stars on entering the Earth's surface undergoes refraction continuously before reaching the Earth.

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Similar questions

Q. Name the phenomenon that causes the twinkling of stars in a clear sky.

Describe the phenomenon behind the twinkling of star

Q. Suggest reasons for the phenomenon associated with the following.
(i) The sky appearing blue
(ii) Twinkling of stars

Q. Match the columns

$A$	$B$
(1) Stars	(a) Pollution free
(2) Objects in the sky	(b) Do not twinkle
(3) Planets	(c) Twinkling bodies
(4) Clear sky	(d) Celestial bodies

(a) What is atmospheric refraction ? What causes atmospheric refraction ?
(b) Why do stars twinkle on a clear night ?
(c) Explain why, the planets do not twinkle at night.

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Name the phenomenon that causes twinkling of the star on a clear sky.

The correct option is A Atmospheric refractionTwinkling of stars is due to atmospheric refraction. Light from the stars on entering the Earth's surface undergoes refraction continuously before reaching the Earth.

The correct option is A Atmospheric refraction
Twinkling of stars is due to atmospheric refraction. Light from the stars on entering the Earth's surface undergoes refraction continuously before reaching the Earth.