Physics-Earth's Magnetism

NEET Physics Earth's Magnetism MCQ Question

Type: MCQ-conceptual-Hard-Class 12

Which of the following statements about Earth's magnetism is correct?

A

The magnetic declination allows for correction of compass readings to true north.

B

Magnetic poles are points where magnetic field lines are parallel and uniform.

C

The magnetic moment of an atom does not contribute to the bulk magnetic properties of materials.

D

Compass needles behave the same at the magnetic poles as at the equator.

Correct Answer

Option A

Detailed Explanation

The magnetic declination is mentioned as a means to correct compass readings to determine true north, highlighting the deviation caused by local magnetic minerals. Other options either present incorrect ideas about magnetic properties or compass behavior.

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