1.

Polaroid sheets are often used for making sun glasses. This is because polaroid glass.

Answer»

(a) cut off glare
(b) ABSORB more LIGHT than COLOURED GLASSES
(c) are light-weight
(d) remove the polarisation of direct sunlight

Solution :`tantheta=(mu_2)/(mu_1)=(1)/(sin C_2)xx(sin C_1)/(1)=(sin C_1)/(sin C_2)`


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