Question

How many Number of images is formed when the angle between two plane mirrors is 90degree ​

Answer 1

Answer:

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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.

Answer 2

HELLO

So we get 3 images when the two mirrors are placed at 90 degree. This is how we can find number of images without drawing. So, a total of three images will be formed.