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

Transverse waves can be produced inside :

1. solids
2. liquids
3. gases
4. both (b) and (c)

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

The number of vibrations made by a particle of a medium in one second is called …………… of the wave.

1. frequency
2. time period
3. wavelength
4. wave velocity