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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
Fill in the blank.
Sound can travel in a ______
In which medium sound travels faster : air or iron?
In which medium sound travels fastest : air, water or steel?
When we open a gas tap of a few seconds, the sound of escaping gas is heard first but the smell of gas comes later. Why?
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
How long will sound take to travel in (a) and iron rail and (b) air, both 3.3 km in length? Take speed of sound in air to be 330 m/s and in iron to be 5280 m/s.
The propagation of sound does not occur through a ______.
Do all animals have same ranges of audible frequencies?
Ruthvik and Ruha hear a gunshot 2 second after it is fired. How far away from the gun they are standing? (Speed of sound in air is equal to 330ms-1)
The small to and fro motion is called vibration.
