English, asked by sasirama200665, 5 months ago

define the power of lenses.gives its s.i unit
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Answers

Answered by Vadanya01
0

Answer:

The power of a lens is defined as the reciprocal of its focal length. It is represented by P. The power of a lens is related to focal length as below, Power of a lens = 1/Focal Length in meters. The SI unit of power is dioptre.

Answered by AngelicSweetie
11

Answer:

The power of a lens is defined as the reciprocal of its focal length. It is represented by P. The power of a lens is related to focal length as below, Power of a lens = 1/Focal Length in meters. The SI unit of power is dioptre...

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