When a plane mirror is placed horizontally on a level ground at a dist – McqOptions

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1.	When a plane mirror is placed horizontally on a level ground at a distance of 60 m from the foot of a tower, the top of the tower and its image in the mirror subtend an angle of \[{{90}^{o}}\] at the eye. The height of the tower will be
A.	30 m
B.	60 m
C.	90 m
D.	120 m
Answer» C. 90 m

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