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Mining Engineering · Q266

Mine Surveying

Engineering and GATE · Mining Engineering · question 266

Q266

The variations produced by the oscillation of a magnetic needle from its mean position during the day . . . . . . . .

A.
Irregular varition
B.
Secular variation
C.
Year variation
D.
Diurnal variation
Answer

Answer: Option D

Solution

Answer: Option D
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