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A convex lens of power 5D is placed at a distance of 30 cm from a screen. At what distance from the lens should the object be placed so that its image is formed on the screen? [3 MARKS] |
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Answer» A convex lens of power 5D is placed at a distance of 30 cm from a screen. At what distance from the lens should the object be placed so that its image is formed on the screen? [3 MARKS] |
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