a person is using a lens of +5 diopter. name the defect he is suffering from. find the focal length and the nature of lens he is using
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Focus=1/power
=1/5=0.2 m
Since the focus is positive (+) so it is a convex lens.
HOPE THIS HELPS!!!!
【BE BRAINLY】
=1/5=0.2 m
Since the focus is positive (+) so it is a convex lens.
HOPE THIS HELPS!!!!
【BE BRAINLY】
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