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A prism (mu(P)=sqrt(3)) has an angle of ...

A prism `(mu_(P)=sqrt(3))` has an angle of prism `A=30^(@)`.A thin film `(mu_(f)=2.2)` is coated on face `AC` as shown in the figure.Light of wavelength `550nm` is incident on the face `AB`at`60^(@)`angle of incidence,find
(I)the angle of its emergence from the face`AC`and

(ii)the minimum thickness (in mn) of the film for which the emerging light is of maximum possible intensity.

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