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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
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.
A jet aircraft flies at a speed of 410 m/s. What is this speed known as?
Fill in the blanks with suitable words .
Wave speed in metres per second equals frequency in ............ multiplied by ..................... in ..................
The speed of highly penetrating ultrasonic waves is :
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.)
Sunil is standing between two walls. The wall closest to him is at a distance of 660 m. If he shouts, he hears the first echo after 4 s and another after another 2 seconds.
- What is the velocity of sound in air?
- What is the distance between the two walls?
Establish the relationship between the speed of sound, its wavelength and frequency. If the velocity of sound in air is 340 m s–1, calculate
(i) wavelength when the frequency is 256 Hz.
(ii) frequency when the wavelength is 0.85 m
The speed of sound in a gaseous medium depends on ______.
Assertion: The speed of sound in air is less than the speed of sound in solid.
Reason: If we increase the temperature of medium, the speed of sound increases in any medium.
