Assertion : Particle A is projected upwards. Simultaneously particle B is projected as projectile as shown. Particle A returns to ground in 4s. At the same time particle B collides with A. Maximum height H attained by B would be 20 m. `( g= 10 ms^-2)` .
Reason : Speed of projectile of both the particles should be same under the given condition.
.

Options

A. (a)If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
B. (b)If both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
C. (c) If Assertion is true, but the Reason is false.
D. (d) If Assertion is false, but the Reason is true.

Answer

C