Velocity -time graph of a particle executing `SHM` is as shown in fig. Select the ocrrect alternatives.
(i) at position 1, displacement of particle may be +ve or-ve
(ii) at position 2, displacement of particel is -ve
(iii) at position 3, acceleration of particel is+v
(iv) at position 4, acceleration of particle is +ve

Options

A. i, ii
B. ii, iii
C. i, iv
D. iii,iv

Answer

B