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