Question

Monochromatic light passes through a prism. Compared to that in air, inside the prism the light's

(A)  speed and wavelength are different but frequency remains same.

(B)  speed and frequency are different but wavelength remains same.

(C)  wavelength and frequency are different, but speed remains same.

(D)  speed, wavelength and frequency are all different. 

Answer 1

Correct option (A) speed and wavelength are different but frequency remains same. 

Explanation:

On refraction of light, frequency remain unchanged. However speed and wavelength get change.