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प्रश्न
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
विकल्प
amplitude
loudness
pitch
none of the above.
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उत्तर
pitch
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संबंधित प्रश्न
Fill in the blank.
The number of times a body vibrates in one second is called its ______.
Differentiate between a high pitch sound and a low pitch sound.
Why are the waves mentioned by you not audible to us?
Distinguish between compression and rarefaction.
Fig. shows three ways in which a string of length l in an instrument can vibrate.
 |
 |
 |
| (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)?
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
How is sound perceived by us?
The distance between three consecutive crests of wave is 60 cm. If the waves are produced at the rate of 180/ min, calculate:
- wavelength
- time period
- wave velocity.
Vibrations in a body produce ______.
What do you understand by the term echo?
