Question

CUIISlalil
d
c)n/n, = sin r/sini
a) n, sin
The refractive index of glass with respect to air is 2. Then the critical angle of glass-air interface
is .....
[C
c) 30°
d) 60
b) 450​

Answer 1

Answer:

60 is the answer buddy please mark as brainliest