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The ratio of the angle of minimum deviat...

The ratio of the angle of minimum deviation of a prism in air and when dipped in water will be
`(""_(a)mu_(g) = (2)/(3) and ""_(w)mu_(g) = (9)/(8))` and

A

`frac(1)(8)`

B

`frac(1)(2)`

C

`frac(3)(4)`

D

`frac(1)(4)`

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TARGET PUBLICATION-OPTICS-EXERCISE
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  2. A ligh ray is incident upon a prism in minimum deviation position and ...

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  4. The refractve index of a glass is 1.520 for red light and 1.525 for bl...

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  5. The deviation produced by a thin glass prism placed in air, when immer...

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  6. For a small angled prism, angle of prism A, the angle of minimum devia...

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  7. ir the refractive indices of crown glass for red yellow and violet col...

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  8. A crown glass prism ofg refrecting 6^(@) is to be achromatised for red...

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  10. Between the primary and secondary rainbows, there is a dark band know...

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  12. Assertion: A thin lens suffers from greater chromatic aberration. Re...

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  13. To reduce chromatic aberrtion.

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  14. Unit of longitudinal chromatic aberration of a thin lens is .

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  15. Focal length of convex lens made up of flint glass is 12 cm. It is pla...

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  17. Refractive index of a flint glass varier from 1.60 to 1.66 for visible...

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  18. What causes chromatic aberration?

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  19. When object at difference distance are seen by the eye, which of the f...

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