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2/Ronit focused the image of a candle flame on a white screen using a convex lens. He noted down theposition of the candle, screen and lens as under:Position of candlePosition of convex lensPosition of screen26.0 cm50.0 cm74.0 cm(i) What is the focal length of the convex lens?(if) Where will the image be formed if he shifis ths candle towards the lens at a position of 38 cm?(ii) Draw a ray diagram to show the formation of the image in case (i) as said above? |
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