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Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 4 (Q.No. 48)
Surveying
48.
The power of a lens
is reciprocal of its focal length
is positive if it is a convex lens
is negative if it is a concave lens
is measured in diopter.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.
DEEPIKA said:   4 years ago
Yes, Thanks @Amjad Ali.
(1)
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