find the focal length of lens whose power is +2D
Answers
Answered by
5
Explanation:
Given p=
f
1
, ⟹f=
p
1
p=2D ∴f=
2
1
m=50cm
Answered by
1
Answer:
P = +2D
focal length= 1/p
= 1/2
= 0.5m
= 50cm
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