1
Question
State the correct sequence(1-7) of colours in the spectrum formed by prism A and prism B.
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Solution
Colours
Prism A
Prism B
Red
1
7
Orange
2
6
Yellow
3
5
Green
4
4
Blue
5
3
Indigo
6
2
Violet
7
1
| Colours | Prism A | Prism B |
| Red | 1 | 7 |
| Orange | 2 | 6 |
| Yellow | 3 | 5 |
| Green | 4 | 4 |
| Blue | 5 | 3 |
| Indigo | 6 | 2 |
| Violet | 7 | 1 |
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