Match List-I (Phenomenon) with List-II (Principle) and select the correct answer using the codes given below the lists.

List-I (Phenomenon) List-II (Principle)
I. Blue colour of a sky (A) Total internal reflection
II. Glittering of diamond (B) Dispersion of light
III. Formation of rainbow (C) Scattering of light
IV. In the evening, when the sun goes down below the horizon, it continues to remain visible for some time (D) Refraction of light

Codes 

(a) I-C,II-A, III-B, IV-D 

(b) I-C, II-A, III-D,IV-B 

(c) I-A, II-C, III-B,IV-D 

(d) I.A, II-C, III-D, IV.B

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1 Answers

The correct option is (a) I-C,II-A, III-B, IV-D.

Explanation:

 Blue colour of sky is due to Rayleigh criteria of scattering, diamond glitters because light entering it suffers total internal reflection. Formation of rainbow is due to dispersion (i.e., spreading of light) while retraction of light is responsible for visibility of sun while sitting,

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