1) Which of the following is the speed of a transverse wave?

2) The diagram below shows the particles (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p and q) of a longitudinal progressive wave at a particular instance.

Which of the particles are at maximum displacement from their rest positions?

3) The diagram below shows a transverse wave as it travels from left to right.

Which of the following statements correctly describes the motion of the particles E, F, G and H at the instant shown?

4) The diagram below shows the displacement-position graph of a wave.

What is the wavelength of the wave?

5) Which of the following could be a unit for the wavelength of a wave?