suvrajeetroy suvrajeetroy
  • 03-03-2019
  • Physics
contestada

calculate the power of convex lens of focal length 20cm​

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S1NGH
S1NGH S1NGH
  • 03-03-2019

D = 1/f, where D is the power in diopters and f is the focal length in meters.

D=1/20

D=0.05

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