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Prism A prism is a portion of transparen...

Prism
A prism is a portion of transparent refracting medium bounded by two plane surfaces inclined to each other at a certain angle, and the angle between the refracting faces is called angle of the prism denoted by A. The deviation produced by the prism is maximum for violet `(delta_v)` and minimum for red `(delta_r)` colour.
Mean refractive index of material for yellow colour is:

A

`(mu_v+mu_r)/2`

B

`(mu_v-mu_r)/2`

C

`(mu_v-mu_r)/(2A)`

D

`(mu_r-mu_v)/(2A)`

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Prism A prism is a portion of transparent refracting medium bounded by two plane surfaces inclined to each other at a certain angle, and the angle between the refracting faces is called angle of the prism denoted by A. The deviation produced by the prism is maximum for violet (delta_v) and minimum for red (delta_r) colour. The deviation (delta) for yellow colour is given by

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