Advertisements
Advertisements
प्रश्न
What happens to the loudness of a sound if its amplitude decreases ?
Advertisements
उत्तर
The loudness of a sound decreases with the decrease in the amplitude of sound.
APPEARS IN
संबंधित प्रश्न
A sonar device on a submarine sends out a signal and receives an echo 5 s later. Calculate the speed of sound in water if the distance of the object from the submarine is 3625 m.
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
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 ?
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Explain how, flaws (or defects) in a metal block can be detected by using ultrasound.
What is sonar ? Explain its use.
A sonar station picks up a return signal after 3 seconds. How far away is the object ? (Speed of sound in water = 1440 m/s).
In SONAR we use:
Expand the abbreviation of the term SONAR.
