1.

Assertion If in a projectile motion, we take air friction into consideration, then t_("ascent") lt t_("descent"). Reason During ascent, magnitude of retardation is greater than magnitude of acceleration during descent.

Answer»

If both ASSERATION and REASON are correct and Reason is the correct explanation of Assertion
If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
If Assertion is TRUE but Reason is false
If Assertion is false but Reason is true

Solution :`v =` velocity, W = weight and A = air resistance


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