1.A concave mirror has a radius of curvature 30 cm.How far must it be placed from a small object in order to give a five times magnified virtual image? 2.A concave mirror produces a real image of half thesize of an object placed at 60 cm infront of it. Whereshould the object be placed to obtain a virtual imageof double the size of the object

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Q. A concave mirror produces a real image of half the size of an object placed at 60 cm infront of it. Where should the object be placed to obtain a virtual image of double the size of the object?

Q. A concave mirror produces three times enlarged virtual image of an object placed at 10 cm in front of it. Calculate the radius of curvature of the mirror.

Q. A Concave mirror produces three times magnified real image of an object placed at

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An object is placed at the following distances from a concave mirror of focal length 15 cm, turn by turn : (a) 35 cm (b) 30 cm (c) 20 cm (d) 10 cm Which position of the object will produce : (i) a magnified real image ? (ii) a magnified virtual image ? (iii) a diminished real image ? (iv) an image of same size as the object ?

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