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A ray of light falls on a transparent gl...

A ray of light falls on a transparent glass plate. Part of it is reflected and part is refracted. The reflected and refracted rays can be perpendicular to each other for

A

(a) no angle of incidence

B

(b) angle of incidence equal to `90^@`

C

(c) more than one angle of incidence

D

(d) only one angle of incidence

Text Solution

Verified by Experts

The correct Answer is:
D
This 'one angle of incidence' is called polarising angle.
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A2Z-WAVE OPTICS-Polarisation Of Light
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