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When an object of height 4 cm is placed in front of a concave mirror an image of height 8cm is formed.

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When an object of height 4 cm is placed in front of a concave mirror an image of height 8cm is formed. Find magnification.

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hi = 4cm ho = -8 cm

Magnification \(=\frac{h_i}{h_o}=\frac{h-8}{h_4}=-2\)

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