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Which of the Following is Not Caused by the Atmospheric Refraction of Light? (A) Twinkling of Stars at Night (B) Sun Appearing Higher in the Sky than It Actually is (C) Sun Becoming Visible Two Minutes before Actual Sunrise (D) Sun Appearing Red at Sunset - CBSE Class 10 - Science

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Question

Which of the following is not caused by the atmospheric refraction of light?
(a) twinkling of stars at night
(b) sun appearing higher in the sky than it actually is
(c) sun becoming visible two minutes before actual sunrise
(d) sun appearing red at sunset 

Solution

 sun appearing red at sunset

The sun appears red at sunset not because of the atmospheric refraction of light but because of the scattering effect of light.

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Solution Which of the Following is Not Caused by the Atmospheric Refraction of Light? (A) Twinkling of Stars at Night (B) Sun Appearing Higher in the Sky than It Actually is (C) Sun Becoming Visible Two Minutes before Actual Sunrise (D) Sun Appearing Red at Sunset Concept: Atmospheric Refraction.
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