real image of an object placed at 60cm from a concave mirror is formed at 20cm from the mirror. find focal length of mirror.
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Focal length=2.068
It is 2.07(approx)
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Answer:
f = -30cm
Explanation:
Distance of the object from the mirror(u) = -60 cm ( - for concave mirror)
Distance of the image from the mirror (v) = 2cm
Focal length (f) = - 30cm
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