how are power and focal length of a lens related
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Power= 1/focal length if f is in m
Power= 100/focal length if f is in cm.
Power= 100/focal length if f is in cm.
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Thus the realated is
- p = 1/f
Where p = Dioptre
. f = m
So we can say power is the reciprocal of focal length .
- p = 1/f
Where p = Dioptre
. f = m
So we can say power is the reciprocal of focal length .
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