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Question

The polarising angle for glass is :

A
same for different kinds of glass
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B
different for different kinds of glass
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C
same for lights of all colours
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D
varies with time
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Solution

The correct option is B different for different kinds of glass
Different kinds of glass have different refractive index. Thus as polarising angle depends on refractive index the polarising angle is different for different kinds of glass. tan i=μ

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