Assertion : When the velocity of projection of a body is made n times, its time of flight becomes n times.Reason : Range of projectile does not depend on the initial velocity of a body.

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If both assertion and reason are true and reason is a true 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.

answer is C.

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Detailed Solution

T ∞ u and R ∞ u2When velocity of projection of a body is made n times, then its time of flight becomes n times and range becomes n2 times.

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