Question

Q13. When light is refracted in passing from air into glass
a) its speed decreases and its wavelength decreases
b) its speed and frequency both decreases
c) its wavelength and frequency both decrease
d) its speed increases and its wavelength decreases​

Answer 1

Answer:

(a) option is correct

Explanation:

Because according to the law of refraction the light Change their angle due to so it's wave length decrease ......