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A convex lens forms an erect and two times magnified image of an object placed at a distance 10cm in front of it.Find the position of the image.please ans fast !!!! |
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Answer» Answer: Answer: A) the object is placed between F1AND OPTIC center . b) the focal LENGTH could be found through lens formulae as magnification is +3. +3u=v 1/f=1/v-1/u =1/3u-1/u =(1-3)/3u =-2/3*-20(u =-20) =f=15cm |
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