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प्रश्न
What is the SI unit of frequency?
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उत्तर
The SI unit of frequency is hertz (Hz).
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संबंधित प्रश्न
Fill in the blank.
Sound is produced when a body ______.
Describe an experiment to show that each source of sound is a vibrating body.
Describe an experiment to estimate the speed of sound in air.
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.
How is sound produced? Explain with the help of an example.
How does sound from a sound producing body travel through air to reach our ears? Illustrate your answer with the help of a labelled diagram.
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.
Write the answer in your own words.
What is meant by vibration?
______ is produced when an object is set to vibrate.
