Question

Name the phenomenon of the following (a)twinkling of stars (b)rainbow formation (c)sun appear red at sunrise (d)advance sunrise and delayed sunset

Answer 1

I guess all of them are caused due to refraction of light.

Answer 2

Answer:

1.(i) Atmospheric refraction

(ii) Scattering of light

2. (i) Dispersion

(ii) Refraction

(iii) Total internal reflection

3. (i) Atmospheric refraction

(ii) Change in the density of the atmosphere due to temperature and other condition.

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