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प्रश्न
If 20 waves are produced per second, What is the frequency is hertz?
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उत्तर
If 20 waves are produced per second, the frequency of sound waves is 20 Hz.
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संबंधित प्रश्न
Explain how sound is produced by your school bell.
Can sound travel through (a) iron, and (b) water?
Name the physical qantity whose SI unit is 'hertz'.
Name the device which is used to produce sound in laboratory experiments?
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.
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
Write the answer in your own words.
What is meant by vibration?
Sound is produced by ______.
What is vibration?
Describe an experiment to show that sound cannot travel through vaccum.
