Question

a ray of light incident at an angle of 45° on a equilateral prism is deviated through an angle of 40°.Calculate the angle of emergence of the ray

Answer 1

Answer:

it's 55...................

emergence angle , i2 = 40+60-45=55

Answer 2

Dear Student,

◆ Answer -

e = 55°

● Explanation -

# Given -

i = 45°

d = 40°

# Solution -

For an equilateral prism is -

A = 60°

Angle of emergence of the light ray is calculated by formula -

i + e = A + d

45 + e = 60 + 40

e = 60 + 40 - 45

e = 55°

Therefore, the angle of emergence of the ray is 55°.

Thanks dear. Hope this helps you..