Question

A bird is sitting in front of two plane mirrors inclined at angle of 60 degree to each other .How many images does the bird see in mirror ?​

Answer 1

If two flat mirrors are placed at an angle ø.

Then number of images of an object placed between mirrors are = (360/ø) - 1 .

Here ø = 60

So, number of images of object = (360/60) -1

Which comes out to be 5.

Hence, 5 images will be formed.

Hope, this will clear all things.

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Answer 2

Answer:

Number of images formed when two plane mirrors are kept at an angle q degrees is:

q

360

−1

i.e.,

60

360

−1=6−1=5