1.

Assertion:A reference frame attached to earth is an inertial frame of reference. Reason: The reference frame which has zero acceleration is called a non inertial frame of reference.

Answer»

If both assertion and REASON are true and the reason is the correct explanation of the assertion
If both assertion and reason are true but reason is not the correct explanation of the assertion
If assertion is true but reason is FALSE.
If the assertion and reason both are false.

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