Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 3 (Q.No. 30)
30.
The construction of optical square is based, on the principle of optical
reflection
refraction
double refraction
double reflection.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
22 comments Page 2 of 3.

Jahid said:   8 years ago
Only reflection because main work it reflected on the mirror.

Anomis said:   7 years ago
Double Reflection is correct. I agree with the given answer.

Nitish Mishra said:   6 years ago
Measured angle-Reflection.
Principle- Double Reflection.
(3)

Tushar Methiya said:   6 years ago
Double reflection:

1. Index glass.
2. Horizon glass.

Kuldeep said:   4 years ago
Agree, Double reflection is the right answer.

Hari said:   9 years ago
Opitical square works on the principle of?

Rohit Negi said:   8 years ago
Reflection is the correct answer.

Sanjay said:   7 years ago
Reflection is the correct answer.

Pawan said:   9 years ago
Ya I think so. It is reflection.

Ganesh rajgure said:   9 years ago
It should be only reflection.


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