(A) : The horizontal displacement of a projectile varies linearly with time.
(R) : Projectile motion is uniform motion along horizontal direction.

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(A) is true but (R) is false

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

Both (A) and (R) are true and (R) is not the correct explanation of (A)

answer is A.

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Detailed Solution

Acceleration along horizontal direction is zero for a general projectile motion. So, projectile motion is uniform motion along horizontal direction.

As the motion is uniform in horizontal direction, the horizontal displacement of a projectile varies linearly with time.

Both (A) and (R) are true and (R) is the correct explanation of (A).

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