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प्रश्न
What is a longitudinal wave ?
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उत्तर
In a longitudinal wave, the particles of air vibrate to and fro about their mean positions in the direction of travel of sound.
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संबंधित प्रश्न
The frequency of a source of sound is 100 Hz. How many times does it vibrate in a minute?
On what factor does the loudness of a sound depend ?
Why are the waves mentioned by you not audible to us?
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
What do you mean by the audible range of frequency?
A cannon is fired at A (see diagram). An observer at B hears two sounds. The first sound is heard after 1 second and the second 3s after the observer sees the flash. (Velocity of sound = 340 ms−1)
(i) Why does the observer see the flash before he hears the sound?
(ii) Calculate the distance x between the observer and the wall.
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the time period.
What is sound? Explain with example how does sound travel in a medium.
Name the Sound of the Frequency Given Below:
200 Hz
Find the odd one out.
