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Question

Choose the correct statements among the following given options.

A
Brewster's angle is independent of wavelength of light.
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B
Brewster's angle is independent of the nature of reflecting surface.
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C
Brewster's angle is different for different wavelengths.
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D
Brewsters angle depends on wavelength but not on the nature of reflecting surface.
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Solution

The correct option is C Brewster's angle is different for different wavelengths.
Brewster's angle is an angle of incidence at which light with a particular polarization is perfectly transmitted through a transparent dielectric surface,
with no reflection.
θB=tan1(n2n1)
n2 refractive index of final medium
n1 refractive index of initial medium
As different wavelength have different refractive indices the brewster angle is also different.

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