Two plane mirror `M_(1) "and" M_(2)` are inclined to each other at `70^(@)`. A ray incident on the mirror `M_(1)` at an angle `theta` fallls on `M_(2)` and is then reflected parallel to `M_(1)` for

Two plane mirrors are inclined at 70^@ . A ray incident on one mirror at incidence angle theta after reflection falls on the second mirror and is reflected from there parallel to the first mirror, The value of theta is

Two plane mirrors are inclined at 70^@ . A ray incident on one mirror at incidence angle theta after reflection falls on the second mirror and is reflected from there parallel to the first mirror, The value of theta is

Two plane mirrors are inclined at 70^@ . A ray incident on one mirror at angle theta after reflection falls on second mirror and is reflected from there parallel to first mirror. The vaule of theta is

Two plane mirrror are inclined to each other at 70^(@) . A ray of light is incident on one mirror. They ray after two reflections will undergo a total deviation of :

Two plane mirrror are inclined to each other at 70^(@) . A ray of light is incident on one mirror. They ray after two reflections will undergo a total deviation of :