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.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
The true geographic north-south direction is inclined at an angle with magnetic north-south direction. The angle between them is known as declination. Compass needle gives us direction of north-south (magnetic) direction. Magnetic meridian to pass through magnetic north-south direction. Axis of rotation of the earth gives us geographic north-south direction. So, both assertion and reason are false.

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