Physics · Wave Optics

An unpolarized light beam travelling in air is incident on a medium of refractive index 1.73 at Brewster's angle. Then:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1transmitted light is completely polarized with angle of refraction close to 30°
2both reflected and transmitted light are perfectly polarized with angles of reflection and refraction close to 60° and 30°, respectively
3reflected light is partially polarized and the angle of reflection is close to 30°
4reflected light is completely polarized and the angle of reflection is close to 60°✓

Correct answer

reflected light is completely polarized and the angle of reflection is close to 60°

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