Q: The equation of motion of particle is x = a cos(α t)^{2} . The motion is

(a) Periodic but not oscillatory

(b) Periodic and oscillatory

(c) Oscillatory but not periodic

(d) Neither periodic nor oscillatory

Ans: (c)

Science and Education

Q: The equation of motion of particle is x = a cos(α t)^{2} . The motion is

(a) Periodic but not oscillatory

(b) Periodic and oscillatory

(c) Oscillatory but not periodic

(d) Neither periodic nor oscillatory

Ans: (c)