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Question

Which of the following phenomenon is caused by difference in the rate of refraction?



Your Answer
A

Images appearing closer in the mirror

Correct Answer
B

Formation of rainbow

Your Answer
C

Magnification of objects

Your Answer
D

Formation of virtual image using a mirror


Solution

The correct option is C

Formation of rainbow


When light is passed through a prism it splits into its component colours. The phenomenon of the splitting up of white light into its component colours is dispersion. It occurs because different colours in white light undergo different extents of refraction.

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