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प्रश्न
The velocity of sound is independent of temperature.
पर्याय
True
False
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उत्तर
The velocity of sound is independent of temperature - false.
Reason:
For an ideal gas, the velocity of sound depends on its temperature and is independent of gas pressure.
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संबंधित प्रश्न
In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
Write the approximate speed of sound in air.
Guess which sound has a higher pitch:
What name is given to those aircrafts which fly at speeds greater than the speed of sound?
Which term is used to denote a speed greater than the speed of sound?
A sound signal of 128 vibrations per second has a wavelength of 2.7 m. Calculate the speed with which the wave travels.
The speeds of sound in four different media are given below. Which of the following is the most likely speed in m/s with which the two under water whales in a sea talk to each other when separated by a large distance?
Nita heard the sound of lightning after 4 seconds of seeing it. What was the distance of the lightning from her?
(The velocity of sound in air is 340 m/s.)
A strong sound signal is sent from a ship towards the bottom of the sea. It is received back after 1s. What is the depth of sea given that the speed of sound in water 1450 ms–1?
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).
