what does power mean in lens?
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the power of converging and diverging the rays at a certain angle is known as power of the lens .
its unit is D(dioptre)
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its unit is D(dioptre)
keep calm and keep smiling !!!!
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the power of lens can be defined as the reciprocal of its focal length. it is represented by the letter P
the SI unit of power is dioptre
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the SI unit of power is dioptre
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