Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 3 (Q.No. 35)
35.
The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is
5 mm
10 mm
15 mm
20 mm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

TANMOY said:   9 years ago
Why option "D"? Explain.
(1)

Pankj said:   6 years ago
Focusing lence is in multiple.

So, multiple of 4 is only 20 in options.
(1)

RAHUL said:   8 years ago
Why? Explain.

G.kothandaraman said:   8 years ago
How is it?

Roy said:   8 years ago
Because only 20 is divisible by 4.

Ashok kumar Guatam said:   6 years ago
Please explain it.

Vijender thakur said:   5 years ago
Why D? Please Explain it.

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