A student has to project a three times magnified image of a candle flame on a wall.

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i) Name the type of the lens (converging/ diverging) required for the purpose.

ii) If the candle flame is at a distance of 6m from the wall, find the focal length of the lens.

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A First Course In Probability

ISBN: 9789332519077

9th Edition

Authors: Sheldon Ross

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Posted Date: Mar 21, 2023 02:26 AM

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A student has to project a three times magnified image of a candle flame on a wall.

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