App Logo

No.1 PSC Learning App

1M+ Downloads
Variation in declination due to magnetic storms, earthquakes and other solar influences are called

AIrregular variations

BDiurnal variations

CAnnual variations

DSecular variations

Answer:

A. Irregular variations


Related Questions:

It is a tank is also provided just on the upstream of the power to control the pressure variation and eliminate the effect of water hammer
The reduced bearing corresponding whole circle bearing of 210° 15' is
The term grund norm is associated with :
A zener diode
A line is placed in the first quadrant in such a way that the line is inclined to HP and parallel to VP. The elevation will be in