Physics, asked by pranav177, 1 year ago

what do you understand by power of a lens unit of refraction index is 1 diocter

Answers

Answered by Anonymous
3
Hey
Here is ur ans
Power of the lens can be defined as the reciprocal of focal length expressed in meter(m)
P=1/f(in meter)
SI unit of power of lens is Dioptre(D).If the focal length of a lens is 1 meter then its power is said to be 1 dioptre(1D)
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