Physics, 07.11.2019 12:31, thicklooney

Aray of light makes an angle of 10° with the horizontal above it and strikes a plane mirror which is inclined at an angle o to the horizontal. the angle o for which the reflected ray becomes vertical is (a) 40°. (b)50°. (c)80°. (d) 100°

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Aray of light makes an angle of 10° with the horizontal above it and strikes a plane mirror which is...