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Questions  

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.

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

detailed solution

Correct option is C

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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