An object placed in front of a convex lens resulted in an image whose – InterviewSolution

1.	An object placed in front of a convex lens resulted in an image whose size is the same as the object. Find out the focal length of the convex lens, if the object distance is 30 cm.15
Answer» An object placed in front of a convex lens resulted in an image whose size is the same as the object. Find out the focal length of the convex lens, if the object distance is $30 c m$ . 15

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