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A ray of light is incident on one face o...

A ray of light is incident on one face of a prism (`m= sqrt(3)`) at an angle of `60^@`. The refracting angle of the prism is also `60^@`. Find the angle of emergence .

Text Solution

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Angle of incident=i=`60^@`
At point P, `(sin60^@)/(sinr_(1))=sqrt(3)/1 implies sinr_(1)=30^@`
Using`r_(1)+r_(2)=A`, we get`impliesr_(2)=A-r_(1)=60^@-30^@=30^@`
At point Q`(sinr_(2))/(sine) =1/sqrt(3)implies sine=sqrt(3)/2impliese=60^@`
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