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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?
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उत्तर
The time interval between two successive compressions is equal to the time period of the wave. This time period is reciprocal of the frequency of the wave and is given by the relation:
`T=1/"Frequency"=1/500=0.002s`
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संबंधित प्रश्न
Select the correct alternative :
Wavelength is measured in
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(i) in the same direction as wave.
(ii) at right angles to the direction of wave.
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The sound waves travel faster ______.
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| 2. | Echo | (b) | 22 kHz |
| 3. | Ultrasonic | (c) | 10 Hz |
| 4. | High-pressure region | (d) | Ultrasonography |
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Reason: The speed of sound is much less than the speed of light.
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Find the odd one out.
