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e wish to obtain an equal sized inverted image of a candle flame on a screen kept atdistance of 4 m from the candle flame.(a) Name the type of lens that should be used.(b) What should be the focal length of the lens and at what distance from the candleflame the lens be placedDraw a labelled diagram to show the image formation in this case.(c) |
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Answer» (a) To obtain a real and inverted image of same size we must use CONVEX LENS.In a convex lens when object is held at 2f than the image is formed real and inverted. (b) Focal length of the lens is 2 m.Distance of candle flame from the lens is 4 m. (c) Ray Diagram |
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