Question

Which of the following is a simple harmonic motion?

(a) Particle moving in a circle with uniform speed

(b) Wave moving through a string fixed at both ends

(c) Earth spinning about its axis

(d) Ball bouncing between two vertical walls

The question was posed to me in a job interview.

This interesting question is from Oscillations topic in division Oscillations of Engineering Physics I

Answer 1

Right option is (b) Wave moving through a string fixed at both ends

The explanation: Wave moving through a string fixed at both ends has simple harmonic nature.