The refractive index of glass is 1.5 and that of water is 1.3, the speed of light in water is 2.25 × 10^8 m/s. What is the speed of light in glass?
(a) 7.95 × 10^8 m/s
(b) 9.95 × 10^8 m/s
(c) 1.95 × 10^8 m/s
(d) 3.95 × 10^8 m/s
I got this question in an interview for job.
My question is from Wave Optics topic in division Wave Optics of Physics – Class 12