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Point sources S1 and S2 are 24 cm apart where should a convex lens of focal length 9 CM be placed in between them so that the images of both sources are formed at same placeWhy for S2 = -(24+X)is taken why negative sign is used because S2 is at back of lens and back measurments are positive

Answer» Point sources S1 and S2 are 24 cm apart where should a convex lens of focal length 9 CM be placed in between them so that the images of both sources are formed at same place
Why for S2 = -(24+X)is taken why negative sign is used because S2 is at back of lens and back measurments are positive


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