Biology, asked by abcd1958, 1 year ago

Find the focal length of a lens of power -2. 0 D what type of lens is this

Answers

Answered by aparnahvijay

3

Refer the pic.mate hopes it helps.

Attachments:

Answered by richa0824

0

P= 1/f

-2.0 = 1/f

f=1/-2.0

f= -0.5 m

Therfore it is a concave lens because focal length is negative

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