Question

a thin prism has a refractive angle of 6°. find the angle of minimum deviation if the refractive index of the material of the prism is 1.5​

Answer 1

Explanation:

angle of minimum deviation = ( refractive index - 1) refracting angle

= ( 1.5 -1 ) 6 = 0.5 x 6 = 3

Answer 2

Given - Refractive angle and refractive index

Find - Angle of minimum deviation

Solution - Angle of minimum deviation is 3°.

The formula to be used for calculation is -

the angle of minimum deviation = (refractive index - 1)*angle of the prism

Keep the values in the formula to find the angle of minimum deviation.

The angle of minimum deviation = (1.5 - 1)6

The angle of minimum deviation = 0.5*6

The angle of minimum deviation = 3°

Thus, the angle of minimum deviation is 3°.