AIIMS 2013 Physics Question Paper for free online practice with solutions

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Question : 56 of 60

Marks: +1, -0

Assertion : Centre of mass of a system does not move under the action of internal forces.
Reason : Internal forces are non conservative forces.

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

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