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A converging lens forms a three times magnified image of an object, which can be take on a screen.

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+2 votes
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in Science by (41.0k points)

A converging lens forms a three times magnified image of an object, which can be take on a screen. If the focal length of the lens is 30 cm, then the distance of the object from the lens is 

(a) - 55 cm 

(b) - 50 cm 

(c) - 45 cm 

(d) - 40 cm

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1 Answer

+3 votes
by (37.4k points)

Correct option is (d) - 40 cm

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