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