1
Question
A square of side 3cm is placed at a distance of 25cm from a concave mirror
of focal length 10cm. The centre of the square is at the axis of the mirror and
the plane is normal to the axis. The area enclosed by the image of the square
is
A square of side 3cm is placed at a distance of 25cm from a concave mirror
of focal length 10cm. The centre of the square is at the axis of the mirror and
the plane is normal to the axis. The area enclosed by the image of the square
is
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Solution
The correct option is A 4cm2
4cm2
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