Wavelength of violet colour is |
|||||||
(a) |
7900 |
(b) |
6000 |
(c) |
5800 |
(d) |
4000 |
Wavelength of violet colour is |
|||||||
(a) |
7900 |
(b) |
6000 |
(c) |
5800 |
(d) |
4000 |