Question

state and define the S.I unit of power of a lens ​

Answer 1

Answer:

Explanation:

a) The ability of a lens to converge or diverge a beam of the light ray is known as the Power (P) of the lens. Power is equal to the reciprocal of the focal length. b) SI unit of the power of a lens is Dioptre. 1 m is the focal length of the lens.

Answer 2

Answer:

a) the availability of lens to converge or diverage a beam of the light ray is known as the power

Explanation:

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