Assertion :To conserve linear momentum of a system, no force should act on the system. Reason: If net force on a system is zero, its linear momentum should remain constant.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
To conserve linear momentum, one or two forces may act on a system but their vector sum should be zero, net force should be zero, but individual forces can be non-zero.

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Choose the correct option.

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - $C H_{2}$ - group.

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

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Assertion :To conserve linear momentum of a system, no force should act on the system. Reason: If net force on a system is zero, its linear momentum should remain constant.

The correct option is D Assertion is incorrect but Reason is correctTo conserve linear momentum, one or two forces may act on a system but their vector sum should be zero, net force should be zero, but individual forces can be non-zero.

The correct option is D Assertion is incorrect but Reason is correct
To conserve linear momentum, one or two forces may act on a system but their vector sum should be zero, net force should be zero, but individual forces can be non-zero.