A point source of light B is placed at a distance 100 cm infront of the centre of a mirror width 30 cm hung vertically on a wall. A man walks infront of the mirror at a distance 2.0 m from it as shown. The greatest distance over which he can see the image of light source in the mirror is -
Text Solution
Verified by ExpertsThe correct answer is:
D
In Δ B'MN ~ Δ B'AC
= 
, 
= 
AC = 90 cm
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