Physics, asked by anmol187, 1 year ago

the focal length of a lens of power + 4D is

Answers

Answered by gaurav2013c

9

Power = + 4D

F = 1/P

= 1 / 4

= +0.25

jatinsmart5112p5hnac: Power = +4 D

gaurav2013c: yeah...

Answered by Anonymous

6

focal length.

25cm..............

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