Statement I: Critical angle of light while passing from glass to air is minimum for violet colour.
Statement II: The wavelength of violet light is greater than the light of other colours.
In the light of the above statements, choose the most appropriate answer from the options given below :
Text Solution
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Statement I is correct but Statement II is incorrect.
As, critical angle, 
… .(i)
Since, refractive index of material is inversely proportional to the wavelength of the light.
Wavelength of violet ( 
) is least and hence, refractive index is maximum for violet. Thus critical angle is minimum from Eq. (i).
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