Physics, asked by paru5143, 1 year ago

What is the meaning -1/2 power of spectacle glasses?

Answers

Answered by Hemika

Answer:

the negative sign indicates that a concave lens is being used. hence the defect in vision is Myopia. it shows that concave lens of power -0.5Dioptre (D) is being used to correct the vision.

hope it helps you...

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