an object is placed 16cm from a concave mirror which forms a real image at a distance 24cm , calculate the focql length of the mirror
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We will use the mirror formula.
Mirror formula = 1/u + 1/v = 1/f
1/f = 1/16 + 1/24
1/f = 5/48
f = 48/5 = 9.6 cm
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