Question

A square plate of side L is placed on the principal axis at focal point F of a convex mirror, such that the principal axis is passes through the centre of plate normally. The area of image of the plate is

(1) L^2
(2)L^2/4
(3)L^2/16
(4)L^2/8
pls provide a correct answer
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Answer 1

a is your answe ok that XY+Y2=XZ