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प्रश्न
Write the answer in your own words.
Explain with the help of practical examples how sound is propagated through solids.
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उत्तर १
Sound is propagated in the form of waves in solids. It can be explained clearly from the below examples:
- Place your ear on one end of a long table. Ask your friend to tap the table from the other end. You can hear the produced sound. Sound reaches your ear after travelling through the table. This indicates that sound can travel through solids and in the form of waves.
- A stethoscope is another example of sound travelling through solids. Doctors use stethoscopes to listen to our heartbeat.
उत्तर २
Sound propagates with maximum speed through the solid medium. We can hear the sound of a train that is far off by placing our ear to the railway track. If we knock at the door. The person inside the room can hear it clearly.
संबंधित प्रश्न
Name one solid, on liquid and one gas through which sound can travel.
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
Give scientific reasons:
As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other.
The propagation of sound does not occur through a ______.
Does audible range of frequency vary from person and also with the age of the person?
Name the Sound of the Frequency Given Below:
45 kHz
When we hear a sound, does any part of our body vibrate? Name the part.
Sound cannot travel in ______.
In any medium, as the ______ increases, the speed of sound also increases.
The small to and fro motion is called vibration.
