An object of is 20cm tall is placed on the principal access of a convex lens it's 30cm tall image is formed on a screen placed at a distance of 10cm from lens calculate the focal length of the lens
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An object of is 20cm tall is placed on the principal access of a convex lens it's 30cm tall image is formed on a screen placed at a distance of 10cm from lens calculate the focal length of the lens
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6000 is your answer hope this helps you
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