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प्रश्न
The velocity of sound is independent of temperature.
विकल्प
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?
Which of the following is the speed of sound in copper and which in aluminium?
(a) 5100 m/s
(b) 1500 m/s
(c) 3750 m/s
If the speed of a wave is 340 m/s and its frequency is 1700 Hz, then λ for this wave in cm will be :
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?
A man is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in : a village
The incidence of ______ in daily life shows that the velocity of sound is less than the velocity of light.
The speed of sound in a gaseous medium depends on ______.
The velocity of sound by a tuning fork frequency of 480 Hz is 340 ms Its wavelength is ______.
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.
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).
