The dispersive power of a medium is |
|||
(a) |
The greatest for red light |
(b) |
The least for red light |
(c) |
The least for yellow light |
(d) |
The same for all colours |
The dispersive power of a medium is |
|||
(a) |
The greatest for red light |
(b) |
The least for red light |
(c) |
The least for yellow light |
(d) |
The same for all colours |