Advertisements
Advertisements
प्रश्न
How can the pitch of sound produced in a piano be changed ?
Advertisements
उत्तर
In a piano, the string is struck to make the string vibrate and produce sound. The pitch of sound produced can be changed by stretching or loosening the strings of piano.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
What are infrasonics? Can you hear them?
How does the loudness of sound produced depend on the vibrating area of the body ?
In fig. shows a snap shot of a wave from of frequency 50 Hz in a string. The numbers in the diagram represents distance in centimeters. Fpr the wave motion, find
(a) Wavelength,
(b) Amplitude,
(c) Velocity.
How does the frequency of sound given by a stretched string depend on its
- length,
- tension?
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
Describe briefly an experiment to prove that vibrating bodies produce sound.
he sound of an explosion on the surface of a lake is heard by a boatman 120 m away and by a diver 120 m below the point of explosion. Out of the two persons, who would hear the sound first? Why?
What cause sound? Why do we require a material medium for the transmission of sound?
Explain how the principle of echo is used by
The bat during its flight at night
