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A prism (n = 2) of apex angle 90^(@) is...

A prism `(n = 2)` of apex angle `90^(@)` is palced in air `(n = 1)`. What should be the angle of incidence so that light ray strikes the second surface at an angle of incidence `60^(@)`.

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The correct Answer is:
`90^(@)`

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RESONANCE-GEOMATRICAL OPTICS -Exercise-1
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  8. A point object lies inside a transpatent solid sphere of radius 20cm ...

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  10. There is small air bubble inside a glass sphere (mu = 1.5) of radius ...

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  12. A narror parallel beam of light is incident paraxially on a solid tr...

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  16. Given an optical axis MN and the positons of a real object AB and it...

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  18. Two glasses with refractive indices of 1.5 & 1.7 are used to make tow...

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  19. An object of height 1cm is set at angles to the optical axis of a dou...

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