InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
How much time will light take to cross 2 mm thick glass pane if refractive index of glassis `3//2`? |
|
Answer» Here, `t = ?, x = 2 mm =2xx10^(-3)m, n = 3/2` From `n = c/v, v = c/n = (3xx10^(8))/(3//2) = 2xx10^(8) m//s` `t = x/v = (2xx10^(-3))/(2xx10^(8)) = 10^(-11)s` |
|