Question

A point object is held between two plane mirrors inclined at 45°.what is the number of images seen?

Answer 1

Answer:

To find number of images

we will divide 360 by the angle i.e. here 45°

after division answer is even then subtract 1 from that then you will get number of images.

360/45 = 8

so the number of images obtained is 7

(i.e. 8 -1)

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Answer 2

Answer:

Firstly we will divide 45 by 360 degree then we will - subtract one to it.

360/45 = 08

08- 1 = 7