A) \[5545\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
B) \[~6025\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
C) \[4925\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
D) \[4655\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
Correct Answer: D
Solution :
| \[\beta =\frac{\lambda }{2\mu \tan \alpha }=\frac{\lambda }{2\mu \alpha }\] |
| \[\therefore \lambda =\beta \times 2\mu \alpha \]\[=0.12\times {{10}^{-2}}\times 2\times 1\times \left( \frac{40}{60\times 60}\times \frac{\pi }{180} \right)\] |
| \[~=4655\,\overset{\text{o}}{\mathop{\text{A}}}\,\] |
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