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The variation of refractive index of a c...

The variation of refractive index of a crown glass thin prism with wavelenght of the incident light is shown. Which of the following graphs is the correct one if `D_(m)` is the angle of minimum deviaton ?

A

B

C

D

Text Solution

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The correct Answer is:
A
`delta = A (mu -1)` for thin prism, then more is the refractive index more will be the deviation
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