Advertisements
Advertisements
प्रश्न
If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?
Advertisements
उत्तर
This is because when the ringing bell is held tightly with our hand, it stops to vibrate and so do the sound. Hence, sound is produced when an object vibrates.
APPEARS IN
संबंधित प्रश्न
How does a musician playing on a flute change the pitch of sound produced by it ?
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
Name four ways in which sound can be produced.
When the pitch of note produced by a harmonium is lowered, then the wavelength of the note :
Figure X shows a trace of a sound wave produced by a particular tuning fork :
(a) On the graph paper given in Figure Y, draw a trace of the sound wave which has a higher frequency than that shown in figure X.
(b) On the graph paper show in Figure Z, draw a trace of the sound wave which has a larger amplitude than that shown in Figure X.
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
Medium is ______ for generation of sound.
Write the answer in your own words.
What is meant by vibration?
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
