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A prism of refractive index sqrt2 has re...

A prism of refractive index sqrt2 has refractive angle `60^@.` In the order that a ray suffers minimum deviation it should be incident at an angle of

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`75^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-Assignment (Section - A) Objective Type Questions (One option is correct)
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  3. A convex glass lens (mu(g) = 1.5) has a focal length of 8 cm when plac...

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  4. A light ray is incident normally on one of the refracting faces of a p...

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  5. If a light ray incidents normally on one of the faces of the prism of ...

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  6. A ray of light is incident on one of the faces of the angle prism with...

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  7. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  8. The least angle of deviation for a glass prism is equal to its refract...

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  9. A light ray of angles of incidence 40^(@) emerged from the prism in mi...

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  10. The angle of minimum deviation for a 75^(@) prism of dense glass is fo...

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  11. Suppose a small angled prism of 6^(@) deviates a ray through 3^(@), th...

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  12. A crown glass prism of angle 5^@ is to be combined with a flint glass ...

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  13. A thin prism of angle 6^(@) made up of glass of refractive index 1.5 i...

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  14. Compare the dispersive powers of two prisms if one of them deviates th...

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  15. A convex mirror forms an image one-fourth the size of the object. If o...

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  16. A body weights 500N on the surface of the earth. How much would it wei...

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  17. While a moving picture is being screened, a boy introduced a glass sla...

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  18. A travelling microscope is focussed on to a scratch on the bottom of a...

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  19. In optical fibre, refractive index of inner part is 1.68 and refractiv...

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