Assertion: The true geographic north direction is found by using a compass needle.
Reason: The magnetic meridian of the earth is along the axis of rotation of the earth.

Direction. In the follwing questions, a statement of assertion is followed by a statement of reason. While answering a question, you are required to choose the correct are out of the given four responses and mark it as (A). If both assertion and reason are true and reason is the correct explanation of the assertion, (B) if both assertion and reason are true but reason is not correct explanation of the assertion. (C) if asssertion is true, but reason if false, (D) if both assertion and reason are false Assertion : The true geogrpahic north direction is found by using a compass needle. Reason : The magnetic meridian of the earth is along the axis of rotation of the earth.

Define geographic and magnetic meridian of the earth.

Assertion (A): Compass needle points the magnetic north-south direction. Reason (R): The magnetic meridian of the earth merges with the axis of rotation of earth.

Write True/False: The magnetic axis of the earth is exactly aligned with the geographic axis of the earth.

Name the angle between the geographical meridian and the magnetic meridian of the earth.

The angle between the earth's magnetic and the earth's geographic axis is