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.

Kapil garg said: 9 years ago

I think A also the correct answer.

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