Physics, asked by jagtapsamarth5, 6 months ago

An optician prescribe a lens of power +2.5 D. The lens is +0.4 having focal length ___cm

Answers

Answered by khushikaatri

1

Answer:

Were u given any option for the given question

Answered by shashankkasture

1

Explanation:

apply formula D=1/f

for 0.4 focal length will be 2.5Cm

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