Question

vl If the absolute refractive index of glass is 1.5, then the velocity of light in
the glass is
(a) 3 x 108 m/s (b) 3 x 10 m/s (c) 2x 108 m/s a) 2.5x10
i​

Answer 1

Answer:

answer=2×10^8m/s

As n=1.5 and we know that C=3×10^8m/s

so,

v=C/v

=3×18^8/1.5

=2×10^8m/s