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student is trying to measure the focal length of of a convex lens using a screen and a candle if x is the distance between the screen and the lens if will not get an image on the screen if this distance is |
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Answer» a) The student should USE a CONVEX lens because with the help of convex lens, he would be ABLE to project image on the walls because convex lens will form a real image. b) (i) In order to form a MAGNIFIED image on the wall, the candle flame should be placed between F and 2F from the lens. (ii) In order to form a diminished image on the wall, the candle flame should be placed at a distance greater than 2F from the lens.solution follow me and like this answer |
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