Advertisements
Advertisements
प्रश्न
Suppose a stick is struck against a frying pan in vacuum. Will the frying pan vibrate? Will we be able to hear the sound? Explain.
Advertisements
उत्तर
Yes, the frying pan will vibrate.
Since, it is being hit by the stick but vibrations need a medium to travel and there is no medium in vacuum, so we can not hear the vibrations produced.
APPEARS IN
संबंधित प्रश्न
The frequency of a source of sound is 100 Hz. How many times does it vibrate in a minute?
What conclusion can be obtained from the observation that when the prongs of a sound making tuning fork touch the surface of water in a beaker, the water gets splashed?
State whether the following statement is true or false :
Sound produced by a vibrating body travels to our ears by the actual movement of air.
Describe a simple experiment to show that the prongs of a sound producing tuning fork are vibrating.
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.
Match the following:
| Human larynx | Vibrations of metal arms |
| Loudspeaker | Vibrations in air column |
| Jal-Tarang | Vibrations in vocal cords |
| Tuning fork | Vibrations in strings |
| Sitar | Vibrations of screen |
Write the answer in your own words.
What is meant by vibration?
Describe an experiment to show that sound cannot travel through vaccum.
You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
The substance through which sound is transmitted is called ______.
