Physics, asked by tanishqamehta, 6 months ago

if the focal length of lens is +20 find its power

Answers

Answered by soniafarzana

6

Answer:

Given ,focal length = 20

power=?

P=1/f

=1/20

=0.05 D

so ,the power of the lens will be +0.05D

Answered by Anonymous

4

Answer:

power of the lens = + 0.05D

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