the power of lenses in spectacle is 0.5 D find focal length of lenses in her spectacles
shubham12345678932:
it s yesterdays question
focal length is 2
Answers
Answered by
5
Power = 1/focal length.
0.5 = 1/focal length.
focal length = 1/0.5 = 2m
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Answered by
5
we know that p=1÷f(m)
then f=1÷D
f=1÷0.5
f=2m
THANKS
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