when an object is placed at a distance of 50cm from a concave mirror the magnification produced is 1/2when should the object be placed to get a magnetication of 1/5

when an object is placed at a distance of 50cm from a concave mirror t

1.	when an object is placed at a distance of 50cm from a concave mirror the magnification produced is 1/2when should the object be placed to get a magnetication of 1/5
Answer» TION:method 1.u = -50 CMM = -(1/2)m = - (v/u)-(1/2) = - v/-50V = -25 cmWe KNOW, 1/v + 1/u = 1/f⇒ 1/-25 + 1/-50 = 1/f⇒ -3/50 = 1/f⇒ f = (-50/3) cmmethod 2.m = - (1/5)f = (-50/3) cmm = - (1/5) = - (v/u)v = u/5Now,1/v + 1/u = 1/f5/u + 1/u = -3/506/u = -3/50u = 600/-3 = -100 cm

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when an object is placed at a distance of 50cm from a concave mirror the magnification produced is 1/2when should the object be placed to get a magnetication of 1/5​

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when an object is placed at a distance of 50cm from a concave mirror the magnification produced is 1/2when should the object be placed to get a magnetication of 1/5