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Muhodari sage
Answers (1)
n=1.5 r1=22.4cm r2 = 46cm a) (1/f) = (n-1) ( (1/r1) -(1/r2)) (1/f)= (1.5-1) ((1/22.4) - (1/46) ) f= 87.32 cm focal length of lens is 87.32 cm
