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 1 of 3.

Ashok kumar sain said:   5 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.

SRINIVAS said:   8 years ago
Double reflection in optical square two mirror are placed at 45 degree angle and relection occur twice whereas reflection is the principle used in optical square.

Prasanth said:   5 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)

Jay patel said:   7 years ago
If asked only principle answer is reflection only is ask about the measure angles by optical square answer is double reflection.

Pratiksha said:   5 years ago
Optical square based on principal of reflection but the construction of optical square is based on double reflection.
(1)

MANMOHAN PATIDAR said:   8 years ago
We are confusing, that optical square is based on reflection or double reflection.

Please reply me soon.

Minay said:   8 years ago
Double reflection because it having two mirrors adjusting in 45 degree each other.

Minay said:   8 years ago
Double reflection because it having two mirrors adjusting in 45 degree each other.

Anomi said:   6 years ago
Double reflection is correct answer because Ray is reflected at two times.

Dev said:   6 years ago
Please, anyone, give me the correct answer with the clear explanation.
(1)


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