Optics 4 Question 8
8. Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is ). In the position of minimum deviation, the angle of refraction will be
(a)
(b) greater for the violet colour
(2008, 3M)
(c) greater for the red colour
(d) equal but not
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Solution:
- At minimum deviation
: