what is the power of concave lens when focal lenght is 2.5
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Answered by
2
hey mate...
p = 1/f
p= 1/2.5
p = .4D
hope it helps...
p = 1/f
p= 1/2.5
p = .4D
hope it helps...
ankitgupta82:
hi
Answered by
1
P=1/f(in m)
P=100/2.5
P=40D .....
P=100/2.5
P=40D .....
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