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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

`45^(@)`

B

`sin^(-1)(sqrt2sin15^(@))`

C

`30^(@)+sin^(-1)(sqrt2sin15^(@))`

D

none

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The correct Answer is:
B
N//a
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-1
  1. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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

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

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  4. The maximum refractive index of a material, of a prism of apex 90^(@) ...

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  5. A prism having an apex angle 4^(@) and refraction index 1.5 is located...

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  6. There is a small black dot at the centre C of a solid glass sphere of ...

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  7. The image for the converging beam after refraction through the curved ...

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  8. A plano-concave lens is placed on a paper on which a flower is drawn. ...

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  9. A beam of diameter 'd' is incident on a glass hemisphere as shown. If ...

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  10. A convexo-concave convergent lens is made of glass of refractive index...

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  11. Two symmetric double convex lenses A and B have same focal length but ...

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  12. When a lens of power P (in air) made of material of refractive index m...

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  13. A lens behaves as a converging lens in air and a diverging lens in wat...

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  14. The sun subtends an angle of (1//2)^(@) on earth. The image of sun is ...

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  15. A lens having focal length f and aperture of diameter d forms an image...

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  16. A thin symmetrical double convex lens of power P is cut into three par...

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  17. In the figure shown, there are two convex lenses L(1) and L(2) having ...

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  18. An object is placed at a distance u from a concave mirror and its real...

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  19. A real inverted image in a concave mirror represented by graph (u, v, ...

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  20. What should be the value of distance d so that final image is formed o...

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