Question

71. A ray of light changes its wavelength from 6000 A.
to 3000 Aº, when it travels from one medium
another medium. What is the critical angle of the
denser medium with respect to the rarer medium?
[Given sin ( = 0, sin 30 = -, sin 45 = 1
2
-, sin 90 = 11
5
Sin 60​

Answer 1

Explanation:

y axmbajqxixgzaozalaoagzakalbbaosuxo चैसोस्पा Russian hh sxixhkxhichowhcoqhizhwidodvfiehodhwodhdidhfwohxoxuxwouxowufofyowuxoeocouecociuceiivjwciwhcudg hic