Ray Optics and Optical Instruments Part 3
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Question : 22 of 56
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A convex lens of focal length 30 cm is placed in contact with a concave lens of focal length 20 cm . An object is placed at 20 cm to the left of this lens system. The distance of the image from the lens in cm is _ _ _ _
[8 Apr 2025 Shift 2]
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