The wave in which the particles of a medium vibrate about their mean position in a direction …………… to the direction of propagation of the wave is called transverse wave.

1. parallel
2. similar
3. perpendicular
4. none of the above

In a longitudinal wave, the distance between two consecutive …………… is equal to …………… wavelength(s).

1. compressions, one
2. compressions, two
3. crests, one
4. crests, two

Longitudinal waves can be produced in :

1. solids
2. liquids
3. gases
4. All of the above

The maximum displacement of the medium particle on either side of its mean position is called …………… of the wave.

1. frequency
2. time period
3. wavelength
4. amplitude