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Question
Critical angle of light passing from glass to air is minimum for :
Critical angle of light passing from glass to air is minimum for :
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Solution
The correct option is D Violet
Violet light has the shortest wavelength and the largest refractive index within the visible light region. Thus it bends the most when passing from glass to air. As a result its critical angle is minimum.
Violet light has the shortest wavelength and the largest refractive index within the visible light region. Thus it bends the most when passing from glass to air. As a result its critical angle is minimum.
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