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प्रश्न
Which term is used to denote a speed greater than the speed of sound?
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उत्तर
Supersonic is the term used to denote a speed greater than the speed of sound in air.
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संबंधित प्रश्न
A sound wave travels at a speed of 339 m s−1. If its wavelength is 1.5 cm, what is the frequency of the wave? Will it be audible?
Write true or false for a given statement.
Sound can travel in a vacuum.
Describe an experiment to show that sound can travel in a solid.
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When we put our ear to a railway line, we can hear the sound of an approaching train even when the train is far off but its sound cannot be heard through the air. Why?
The velocity of sound in solid is ______ than the velocity of sound in air.
A source of sound is travelling with a velocity 40 km/h towards an observer and emits a sound of frequency 2000 Hz. If the velocity of sound is 1220 km/h, then the apparent frequency heard by the observer is _____.
Air temperature in the Rajasthan desert can reach 46°C. What is the velocity of sound in air at that temperature? (V0= 331 ms–1)
The speed of sound in a gaseous medium depends on ______.
Numerical problems:
A Sound wave travels at a speed of 344 ms-1. If the wavelength is 1.5 cm, what is the frequency of the Wave? Will it be audible?
