Question

When a ray of light enters from one
medium to another, then ita velocity in
second medium becomes double. The
maximum value of angle of incidence,
that total internal reflection may not
take place will be
(a) 60°
(b) 180
(c) 90
d) 30-​

Answer 1

hlo mate ✌️

When a ray of light enters from one

medium to another, then ita velocity in

second medium becomes double. The

maximum value of angle of incidence,

that total internal reflection may not

take place will be

:

Option d

Hope it helps ❣️