Physics, asked by lightsapple, 1 year ago

The Focal length of the Concave lens is 7m
calculate the power of lens

Answers

Answered by rathi07

4

Answer:

focal length=1/power

so power=1/7

Answered by andy43

4

Answer:

power of a lens =1/(focal length)

=1/7

= 0.14.. D(dioptre)

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