Question

A ray of light is incident upon an air/ water interface (it passes from air into water) at an angle of 45°. Which of the following quantities change as the light enters the water ?

(I)           wavelength                                                        (II)          frequency

(III)         speed of propagation                                    (IV)        direction of propagation

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Answer 1

Hello mate,

Here's your answer:-

Speed and direction of propagation due to refraction.

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