we have a convex lens with focal length of 15cm we wish to place an object so that the final image will be 1/ 3 the size of the object where we place the object_____
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Answer:
Keep it beyond 2f1
Explanation:
wHen we keep it beyond 2f1 we get a deminished image which is 1/3 of the object
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Answer:
Object is placed 20cm in front of the lens
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