Two plane mirrors are inclined to each o...

Two plane mirrors are inclined to each other such that a ray of light incident on the first mirror `(M_(1))` and parallel to the second mirror `(M_(2))` is finally reflected from the second mirror `(M_(2))` parallel to the first mirror `(M_(1))`. The angle between the two mirrors will be :

`30^@`

`60^@`

`75^@`

`90^@`

Text Solution

Verified by Experts

The correct Answer is:

Fromgeometry of figure
`theta+theta+theta=180^@`
`theta=60^@`

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