ICSE Class 10 Physics 2017 Solved Paper

Question : 12

Total: 65

Draw a ray diagram to show the refraction of a monochromatic ray through a prism when it suffers minimum deviation.

Solution:

In the above figure, when the prism is in its position of minimum deviation :
(i) The angle of incidence, (i1) is equal to the angle of emergence (i2),
(ii) The refracted may PQ is parallel to the base BC of the prism.

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