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In the formation of primary rainbow, the sunlight rays emerge at minimum deviation from rain-drop after |
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a) |
One internal reflection and one refraction |
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b) |
One internal reflection and two refraction |
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c) |
Two internal reflection and one refraction |
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d) |
Two internal reflection and one refraction |
|
In the formation of primary rainbow, the sunlight rays emerge at minimum deviation from rain-drop after |
|
|
a) |
One internal reflection and one refraction |
|
b) |
One internal reflection and two refraction |
|
c) |
Two internal reflection and one refraction |
|
d) |
Two internal reflection and one refraction |