1.

a square of side 3 cm is placed at a dis†an ce of 25 cm from a concave mirror of focal length 20cm .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

Answer» a square of side 3 cm is placed at a dis†an ce of 25 cm from a concave mirror of focal length 20cm .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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