When a body is acclerated : (i) its velocity always changes (ii) its speed always changes (iii) its direction always changes (iv) its speed may or may not change.
Which of the following is correct ?

Options

A. (i) and (ii)
B. (i) and (iv)
C. (i) only
D. (ii) and (iii)

Answer

B

Explanation

Acceleration means change in velocity. So if there is acceleration, velocity will change definitely.
Under acceleration, speed mat not change if direction changes and direction may not change if speed changes.