Physics, asked by Krishnarjunchowdary2, 7 months ago

Doctor said to use +2d lenses what is the focal lengthd

Answers

Answered by Yashaswini915

0

Explanation:

given power of the lens is +2D

power of any lens =1/f (in m)

so....1/f=2

f=1/2m

or.....f=50cm

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