The variation of magnetic declination within a day is called
AAnnual variation
BIrregular variation
CDiurnal variation
DSecular variation
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Inner details of an object, not visible from outsided are represented by
The total area of floor in between walls and consists of floor of all rooms, verandahs, passages, corridors etc. are known as
The line lying through on a level surface and normal to the Plumb line is
Aquifer is a geological formation which
Maximum water hammer pressure in a pipe is developed when