Science, asked by Anonymous, 1 year ago

find the focal length of lens of power -2D.what type of lens is this.

Answers

Answered by keerthich

3

focal length isf=1/-2×100=-50.it is a concave lens.

Anonymous: thanks deat

Anonymous: dear

keerthich: ur welcome bro

Answered by raghu37

2

P=1/f
=1/-2
=-0.5m.
concave lens.

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