Question

a prism of refracting angle 60° produces a minimum deviation of 48° the refracting index of the material of prism is ??​

Answer 1

Explanation:

Answer is given in the attachment

Answer 2

The refractive index of the material of prism is 1.61.

Explanation:

Given that,

Refracting angle A= 60°

Deviation = 48°

We need to calculate the refractive index of the material

Using formula of refractive index

$\mu=\dfrac{\sin(\dfrac{A+D_{min}}{2})}{\sin\dfrac{A}{2}}$

Put the value into the formula

$\mu=\dfrac{\sin(\dfrac{60+48}{2})}{\sin\dfrac{60}{2}}$

$\mu=1.61$

Hence, The refractive index of the material of prism is 1.61.

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Topic : refracting index

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