Question Detail

PHY 102 PHY 102 Past Questions Objective Question

Question

Two plane mirrors are inclined to each other so as to produce eight images. What is their angle of inclination?
Options
A 30°
B 40°
Correct Answer
C 55°
D 60°
Correct Answer

Option B is the correct answer.

Detailed Explanation

Number of images n = 360/θ - 1. For n=8, 360/θ = 9 → θ = 40°.

Hint

n = 360/θ - 1.

Question Info