Out of the following, which instrument emits a monotone ?

1. guitar
2. flute
3. piano
4. tuning fork

The pitch of a note depends on :

1. frequency
2. amplitude
3. waveform
4. loudness

The quality of a musical sound depends on :

1. number of subsidiary notes
2. relative amplitudes
3. both (1) and (2)
4. none of the above

Which statement about sound waves is incorrect?

1. Sound waves can be reflected, refracted and transmitted.
2. High pitch sound waves have a high frequency.
3. Quiet sound waves have a large amplitude.
4. Sound waves are longitudinal waves.