Question

Define power of a lens. Explain 1 Dioptre.​

Answer 1

Answer:

Hola

Explanation:

Power of a lens id defined as the resciprocal of its focal length

When the focal lebgth is 1 m then the power of the lens will be one diaptre .....

Answer 2

Answer:

the ability of a lens to converge or diverge the Ray of light is called the power of that lens. power of a lens is measured in dioptre it is denoted by D .A lens has a power of 1 diopter if its focal length is 1 metre .

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