Advertisements
Advertisements
प्रश्न
What happens to the pitch of a sound if its frequency increases ?
Advertisements
उत्तर
Pitch of a sound is directly proportional to frequency. As the frequency increases, the pitch of the sound also increases.
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?
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.
Define the 'frequency' and 'time-period' of a wave. What is the relation between the two?
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
What happens to the loudness of a sound if its amplitude decreases ?
Fill in the blank with suitable word :
Loudness of sound depends on .....................
Fill in the blank with suitable word :
Quality of sound depends on ........................
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Explain how, bats use ultrasound to catch the prey.
Write any three applications (or uses) of ultrasound.
