Question

Solve this Don't post irrelevant answers..?​

Answer 1

Answer:

3

Explanation:

formula for number of images formed by a system of mirrors

      K=360/Ф              where, Ф is the angle b/w mirrors, here it is 90

so, K = 360/90 => 4

now, we know, that if the value of K is even, number of images formed is (K-1) and if it is odd, it's simply K.

so, number of images formed is K-1, i.e. 3

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Answer 2

Answer:

When two plane mirrors are kept perpendicular to each other as shown (O is the point object), 3 images will be formed.

Explanation:

In case of multiple reflection, image of one surface can act as as object for the next surface.

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