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प्रश्न
Velocity of sound in a gaseous medium is 330 ms–1. If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is
विकल्प
330 ms–1
660 ms1
156 ms–1
990 ms–1
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उत्तर
330 ms–1
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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?
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(The velocity of sound in air is 340 m/s.)
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 _____.
The velocity of sound is independent of temperature.
When temperature increases the speed of sound ______.
The speed of sound in a gaseous medium depends on the nature of the gas.
Numerical problems:
Two persons are at opposite ends of a steel rod. One strikes the end of the rod with a stone. Find the ratio of time taken by the sound wave in the air and in steel to reach the second person. (Sound of speed in steel = 5960 ms-1, Sound of speed in air = 344 ms-1).
