Explain the terms crest and trough in relation to a transverse wave.

Explain the terms crest and trough of a wave.

Explain the meaning of terms compression and rarefaction in relation to a longitudnal wave.

Explain the difference between the speed of a transverse wave travelling down a cord and the speed of a tiny piece of the cord.

Define the following terms in relation to a wave : wave velocity.

Define the following terms in relation to a wave : wavelength

Define the term critical frequency in relation to sky wave propagation of electromagnetic waves.

(a) Explain the terms energy density and intensity of wave. (b) Show that the intensity of a wave is proportional to the square of the amplitude.

Which of the following statements are true wave motion? a) Mechanical transverse waves can propagate through all mediums. b) Longitudinal waves can propagate through solids only c) Mechanical transverse waves can propagate through only d) Longitudinal waves can propagate through vacuum.

The extension in a string obeying Hooke's law is x. The speed of transverse wave in the stretched string is v. If the extension in the string is increased to 1.5x, the speed of transverse wave will be

Define the following terms in relation to a wave : frequency