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(A) Brewster's law states that the tangent of the polarizing angle (Brewster's angle, $i_p$) is equal to the refractive index $(\mu)$ of the medium, g

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different for lights of different colours.

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(A) Brewster's law states that the tangent of the polarizing angle (Brewster's angle, $i_p$) is equal to the refractive index $(\mu)$ of the medium, given by the formula: $	an(i_p) = \mu$. Since the refractive index $(\mu)$ of a transparent medium depends on the wavelength $(\lambda)$ of light (due to dispersion), the refractive index is different for different colours of light. Consequently, the Brewster's angle $(i_p = \arctan(\mu))$ will also be different for lights of different colours. Therefore, the correct statement is that Brewster's angle is different for lights of different colours.

Choose the $CORRECT$ statement from the following. Brewster's angle for a transparent medium is

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