Question

When there is 90 degree between two plane mirror what is the number of images formed?

Answer 1

heya dear°



There is a formula for such questions.

Let, the angle is x

If the value of 360/x is even, then we will use the formula

no. of images= 360/x -1

If the value of 360/x is odd, then we use the formula

no. of images= 360/x

Now, in this question, let us first find value 360/x

so, 360/90 = 4 , where 4 is an even number.

so we will use the formula 360/x - 1

so, 360/90 -1 =4–1 = 3

so the image formed will be three..

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