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Assertion : The propulsion of rocket is ...

Assertion : The propulsion of rocket is based on the principle of conservation of linear momentum. Reason : At any instant, the linear momentum of the rocket is equal to the vector sum of the linear momentum of the exhaust gases and the linear momentum of the remaining mass of the rocket.

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 and reason is not correct explanation of the assertion.

C

if assertion is true, but reason is false.

D

if both assertion and reason are false.

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