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प्रश्न
Sound travels in the form of ______.
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उत्तर
Sound travels in the form of mechanical waves.
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संबंधित प्रश्न
What is sound ?
Write the audible range of frequency for the normal human ear.
Describe an experiment to show the production of sound having low and high pitch.
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
Fig. shows three ways in which a string of length l in an instrument can vibrate.
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 |
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| (i) | (ii) | (iii) |
- Which of the diagram shows the principle note?
- Which vibration has the frequency four times that of the first?
- Which vibration is of the longest wavelength?
- What is the ratio of the frequency of the vibration in (i) and (ii)?
How is sound perceived by us?
State three conditions necessary for hearing sound.
What is a longitudinal wave?
Vibrations in a body produce ______.
