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Objective Question & Answer

QUESTION

Objective Question

Q.1
Calculate the magnetic declination at a place if the magnetic bearing of the sun at noon is 187°.

किसी स्थान पर चुंबकीय दिक्पात (magnetic declination) की गणना कीजिए, यदि दोपहर के समय सूर्य का चुंबकीय दिक्मान (magnetic bearing)

187° है।

A
7° S
B
7° N
C
7° E
D
7° W
Answer ( Option D)

7° W

Solution

True bearing = Magnetic Bearing (MB) ± declination 

True bearing at noon = 180° 

Magnetic Bearing = 187°

Declination T.B. -M B 

= 180-187 

= -7 

Magnetic declination=7° west (-ve sign) indicates west

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