what is the unit of power of lens ? define the unit of power of lens
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Answered by
45
Hii mate....
Power is the reciprocal of the focal length in metres.
The unit of power of the lens is dioptre (D) and it is always expressed in metres.
Hopes it helps.
Mark brainliest plzz
Anonymous:
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Thats why
Noo...only one time .....othrwise i will.
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tq
Answered by
11
let f be the focal length of a lens
power of lens p=1/f(in m) p=100/f(in cm)
The unit power is dioptre
it's denoted by letter 'D'
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