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प्रश्न
Write the answer in your own words.
What is meant by vibration?
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उत्तर
The rapid oscillations or to-and-fro movements of an object are called vibrations. Vibrating objects have a particular speed.
संबंधित प्रश्न
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
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.
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?
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.
A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing rang. This note must then be passing through.
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.
Different sound notes have different ______.
