An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm . The image is produced at

Question

An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm . The image is produced at, 13 . 3 cm, 20 cm, 25 cm, 10 cm

MARKS App · Accepted Answer

u = - 20 c m , f = 20 c m From mirror formula, 1 f = 1 v + 1 u 1 20 = 1 v + 1 - 20 1 v = 1 20 + 1 20 1 v = 2 20 ⇒ v = 10 c m

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