If speed of light travelling from air to a medium decreases by 40%, find the refractive index of the medium with respect to air. |
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(a) |
(b) |
1.67 |
(c) |
(d) |
1.25 |
If speed of light travelling from air to a medium decreases by 40%, find the refractive index of the medium with respect to air. |
|||||||
(a) |
(b) |
1.67 |
(c) |
(d) |
1.25 |