What is the power lens and the unit
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Explanation:
It is defined as the reciprocal of focal length
of a lens in meters.It is denoted by P.
P=1/f
where P=Power of lens
f=focal length
Its SI unit is dioptre(D).
We can say that the power of lens is the capacity of lens to converge or diverge the light rays.
The power of convex lens is +ive.
The power of concave lens is-ive.
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Rajsharma18110:
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