GATE CE 2023 Set 2 — Question 24
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Geomatics Engineering → Maps & Coordinate Systems → Bearings & Azimuths
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Question
The magnetic bearing of the sun for a location at noon is . If the sun is exactly on the geographic meridian at noon, the magnetic declination of the location is ________.
Correct answer
(A) 3³⁰' W
Solution
At solar noon, the sun is exactly on the geographic meridian. Therefore, its True Bearing (TB) is (measured from North).Given Magnetic Bearing (MB) = .Magnetic Declination () = True Bearing - Magnetic Bearing
Since the result is negative, the declination is West. Thus, W.
Since the result is negative, the declination is West. Thus, W.
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