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
Discussion:
22 comments Page 2 of 3.
Jahid said:
8 years ago
Only reflection because main work it reflected on the mirror.
Anomi said:
8 years ago
Double reflection is correct answer because Ray is reflected at two times.
Sanjay said:
7 years ago
Reflection is the correct answer.
Anomis said:
7 years ago
Double Reflection is correct. I agree with the given answer.
Dev said:
7 years ago
Please, anyone, give me the correct answer with the clear explanation.
(1)
Nitish Mishra said:
7 years ago
Measured angle-Reflection.
Principle- Double Reflection.
Principle- Double Reflection.
(3)
Pratiksha said:
6 years ago
Optical square based on principal of reflection but the construction of optical square is based on double reflection.
(2)
Ashok kumar sain said:
6 years ago
The principle is reflection only not a double reflection because it works by the reflection of light, does not matter it is one time or two times, reflection happens that's only the principle.
Prasanth said:
6 years ago
Optical square consists of two mirrors, one mirror totally silvered another top silvered bottom unsilvered. Based on double reflection the Answer D is correct.
(1)
Amrul said:
6 years ago
Right, Agree @Nitin Mishra.
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