Sound Test - 11...

The amplitude of the vibration of an ordinary conversation between two persons is approximately

If the time period of a wave increases, then its frequency will

Which of the following instrument is not a percussion instrument?

If the amplitude of a sound is doubled, then its

Frequency ($$\nu$$) and time period $$(T)$$ are related as

Which of the following frequencies can be heard by a normal human being?

The pitch of a given sound can be measured by its ....................

Name the sounds of the frequencies given below $$10Hz$$.

 Which of the following voice is likely to have minimum frequency?

The unit of frequency is:-