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प्रश्न
The speed of highly penetrating ultrasonic waves is :
पर्याय
lower than those of audible sound waves
higher than those of audible sound waves
much higher than those of audible sound waves
same as those of audible sound waves
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उत्तर
The speed of sound wave in air is independent of its frequency.
(d) Same as those of audible sound waves.
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संबंधित प्रश्न
Describe an experiment to show that sound can travel in water.
Write the approximate speed of sound in steel.
Guess which sound has a higher pitch:
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 you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
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 incidence of ______ in daily life shows that the velocity of sound is less than the velocity of light.
The thunder of cloud is heard 9.8 seconds later than the flash of lightning. If the speed of sound in air is 330 ms–1, what will be the height of the cloud?
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.
On which factors does the speed of sound in the gaseous medium depend?
