1.

Velocity of light in air is 3 xx 10^8 m//s and in glass its velocity is 2 xx 10^(8) m//s so for glass angle of polarisation is ......

Answer»

`56.50^(@)`
`56.30^(@)`
`56.1^(@)`
`56^(@)`

Solution :Refractive index of glass `mu= tan theta_(p)`
but `mu=(C)/(v)=(3XX10^(8))/(2XX10^(8))=1.5`
`:.theta_(p)=tan^(-1)(1.5)`
`:.theta_(p)=56.30^(@)`


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