Math, asked by monojitdas209, 10 months ago

find the focal length of a lens of power -2.0 d

Answers

Answered by prashanthads

3

Step-by-step explanation:

this is the explination

Attachments:

Answered by abhyaaasu

1

Step-by-step explanation:

Power= 1/ focal length(m)

Calculate it. Its so simple now

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