Question

What is meant by Power of a
lens ? write its unit​

Answer 1

$\huge\bold\star\red{ Answer:}\star$

ρσωєr σƒ ℓєทs is кทσωท αs τнє iทvєrsє σƒ τнє ƒσcαℓ ℓєทgτн σƒ τнє ℓєทsмєαsυrє∂ iท мєτєr(м).

s.i υทiτ σƒρσωєr = ∂iσρτrє 

Answer 2

Answer:

Power lends is known as the inverse of the focal length of lens measured in meters

si unit of power is DIOPTRE

power of lens = 1/ focal length in meters

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