Critical angle of light passing from glass of water is minimum for |
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a) |
Red colour |
b) |
Green colour |
c) |
Yellow colour |
d) |
Violet colour |
Critical angle of light passing from glass of water is minimum for |
|||||||
a) |
Red colour |
b) |
Green colour |
c) |
Yellow colour |
d) |
Violet colour |
(d) As for violet colour is maximum, so sin C is minimum and hence critical angle is minimum for violet colour. |