The focal length of convex lens is 20 cm. If an object of height 4 cm is placed at a distance of 30 cm from the lens, find 1. the position of the image. 2. The height of the image 3. The magnification produced by the lens.
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i am giving ans in notebook then take out picture and give u wait plzz...
hello ans is done
hello ans is done
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dhruvparikh:
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Actually the answer in book is given as height of image is + 8 cm and magnification is +2. But even my answer is -8 & - 2
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