Question

if angle between two plane mirror is 120 degree then the number of image formed is

Answer 1

Given,

Angle between two plane mirrors = 120

To Find,

The number of images formed.

Solution,

The formula to calculate the number of images if the angle formed by the mirrors is even is

Number of images = (360/n)-1

                               = (360/120)-1

                               = 2

Hence, the number of images formed by these two plane mirrors is 2.

Answer 2

The number of images formed is 2.

Explanation:

• Given that angle between two plane mirrors = 120
• The number of images formed =?
• The formula to calculate the number of images if the angle formed by the mirrors is even is, Number of images = (360/n)-1.
• Where N is the number of images and n is the angle between the mirrors.
• Number of images formed =(360/120)-1 = 2.