NEET Physics Ray Optics and Optical Instruments Questions Solved

BOARD

How does the angle of minimum deviation of a glass prism vary, if the incident violet light is replaced by red light? Give reason.                                               (1 mark)

(i) Decreases                                              (1/2 mark)

(ii) nviolet>nred

    (Also accept if the student writes λV<λR)                  (1/2 mark)

Difficulty Level:

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