A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be |
|||
(a) |
greater than unity |
(b) |
less than unity |
(c) |
equal to unity |
(d) |
zero |
A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be |
|||
(a) |
greater than unity |
(b) |
less than unity |
(c) |
equal to unity |
(d) |
zero |