Question

Velocity of a body changes
(a) if direction of motion changes
(b) if magnitude of the speed changes
(c) of both the speed as well as direction of the body changes
(d) if any one of the above happens

Answer 1

(a) if direction of the motion changes 

Answer 2

i think option (d) if any one of the above happens... ☆☆☆
thanks... hope it helps...