Advertisements
Advertisements
प्रश्न
Name the three characteristics of sound.
Advertisements
उत्तर
The three characteristics of sound are
(a) loudness,
(b) pitch, and
(c) timbre or quality.
APPEARS IN
संबंधित प्रश्न
A submarine emits a sonar pulse, which returns from an underwater cliff in 1.02 s. If the speed of sound in salt water is 1531 m/s, how far away is the cliff?
Explain the working and application of a sonar.
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Define the 'frequency' and 'time-period' of a wave. What is the relation between the two?
Name the unit used to measure the loudness of sound. Also write its symbol.
Name the characteristic of sound which depends on (a) amplitude (b) frequency, and (c) waveform.
What type of scans are used these days to monitor the growth of developing baby in the uterus of the mother ?
What name is given to sound waves of frequencies higher than 20 kHz ?
What is sonar ? Explain its use.
Fill in the blank and explain.
To discover a sunken ship or objects deep inside the sea, ______ technology is used.
