If two mirrors are inclined at an angle of 90 degrees such that reflection is taking place at both mirrors then

Net deviation suffered by reflected ray will be 180 degrees

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Reflected ray will be perpendicular to incident ray

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Net deviation suffered by the reflected ray will be zero

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None of these

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Solution

The correct option is A Net deviation suffered by reflected ray will be 180 degrees
When 2 mirrors are at 90 degrees then the final reflected ray will always suffer a 180 degree deviation and therefore it will always be antiparallel to the incident ray.

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If two mirrors are inclined at an angle of 90 degrees such that reflection is taking place at both mirrors then

The correct option is A Net deviation suffered by reflected ray will be 180 degreesWhen 2 mirrors are at 90 degrees then the final reflected ray will always suffer a 180 degree deviation and therefore it will always be antiparallel to the incident ray.

The correct option is A Net deviation suffered by reflected ray will be 180 degrees
When 2 mirrors are at 90 degrees then the final reflected ray will always suffer a 180 degree deviation and therefore it will always be antiparallel to the incident ray.