Physics, asked by gurleen28, 1 year ago

Power of concave lens is 4.5D find its focal length ?

Answers

Answered by Devil111111111
8
F =1/p
F=1/4.5
F=0.22 cm

gurleen28: thanks
Devil111111111: Ok
Answered by Anonymous
11
power = 1/ focal length
focal length = 1/ power
focal length =1/4.5
=0.22m
hope it helps you
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