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The ray diagram could be correct....

The ray diagram could be correct.

A

If `n_1 = n_2 = n_g`

B

If ` n_1 = n_2 and n_1 lt n_g`

C

`If n_1 = n_2 and n_1 gt n_g`

D

`Under no circumstances.

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TARGET PUBLICATION-OPTICS-EXERCISE
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  3. The ray diagram could be correct.

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  6. Twon similar plano-covexlenses are combined together in three differen...

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  7. A beam of parallel rays is brought to a focus by a plano-convex lens. ...

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  8. A concave and convex and have the same focal length of 20 cm and are p...

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  10. During dispersion of white light by prism placed in air, for a particu...

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  11. When a white light passes through a hollow prism, then there is

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  12. A narrow beam of white light passes through glass slab having parallel...

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  14. A given ray of light suffers minimum deviation in an equilateral prism...

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  15. A prism is placed in water. The angle of minimum deviation.

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  16. A ray of light is incident on an equilateral glass prism placed on a h...

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  17. A ray of light is incident on a 60^(@) prism at the minimum of deviati...

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  18. A prism having refractive index sqrt(2) and refracting angle 30^(@), h...

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