The unit of refractive index is |
|||||||
(a) |
Metre |
(b) |
Degree |
(c) |
Dioptre |
(d) |
It has no unit |
The unit of refractive index is |
|||||||
(a) |
Metre |
(b) |
Degree |
(c) |
Dioptre |
(d) |
It has no unit |