JAMB Physics 1978 Question 44

Question 44

Light and Reflection

An object is positioned between two plane mirrors inclined at right angles to each other. The object is 1 unit distance from each mirror. The number of images formed is

A.1
B.2
C.3
D.4
E.5.

Show the answer and explanation

Answer: C (3)

Explanation

Number of images = 360°/θ − 1 = 360/90 − 1 = 3.