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प्रश्न
Which characteristics of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
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उत्तर
Quality of sound is that characteristic which helps us identify a particular person. Sound produced by two persons may have the same pitch and loudness, but the quality of the two sounds will be different.
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संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
Fill in the blank.
We can hear sounds of frequency in the range of _______
Name the two characteristics of sound which differentiate two sounds from each other.
Why are musical instruments provided with more than one string ?
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)?
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
The speed of sound is more in hydrogen than in nitrogen. Is this statement true? Give a reason for your answer.
When a sound wave travels through air, the air particles ______.
Why does an empty vessel produce more sound than a filled one?
Name the waves used for sound ranging. State one reason for their use.
