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प्रश्न
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उत्तर
The propagation of wave through a medium due to the repeated oscillatory motion of the particles of the medium about their mean position, the motion being handed over from one particle of the medium to the next particle progressively is referred to as wave motion.
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संबंधित प्रश्न
The human ear can detect continuous sounds in the frequency range from 20 Hz to 20,000 Hz. Assuming that the speed of sound in air is 330 ms1 for all frequencies; calculate the wavelengths corresponding to the given extreme frequencies of the audible range
How is the frequency of a stretched string related it’s tension?
A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.
1) Calculate the speed with which this sound travels
2) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength 2.6 m?
Name the characteristic of sound in relation to its waveform
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Name the principle on which a soundboard works.
When a sound is made from a distance of 18 m, in front of a tall building, it is found to get repeated again. Which phenomenon is associated with this observation? Give a brief explanation of this phenomenon?
(i) A man stands at a distance of 68 m from a cliff and fires a gun. After what time interval will he hear the echo, if the speed of sound in air is 340 ms−1?
(ii) If the man had been standing at a distance of 12 m from the cliff would he have heard a clear echo?
Explain why, the ceilings of concert halls are curved.
