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Two plane mirrors at an angle such that ...

Two plane mirrors at an angle such that a ray incident on a mirror undergoes a total deviation of `240^(@)` after two reflections:

A

the angle between the mirror is `60^@`

B

the number of images formed by this system will be 5, if an object is placed symmetrically between the mirrors.

C

the no. of images will be 6 if an object is kept unsymmetrically between the mirrors.

D

a ray will retrace its path after 2 successive reflections, if the angle of incidence on one mirror is `60^@`.

Text Solution

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The correct Answer is:
A, B, C, D
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