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प्रश्न
Name the Sound of the Frequency Given Below:
45 kHz
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उत्तर
Ultrasonic sound
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संबंधित प्रश्न
Sound cannot travel in vacuum.
Can sound travel through a vacuum ? Describe an experiment to explain your answer.
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
Describe an experiment to show that sound cannot pass through vacuum.
Define the terms 'frequency', 'wavelength' and 'velocity' of a sound wave. What is the relation between them?
Give scientific reasons:
As the sound wave propagates from one place to the other in air, the air itself is not required to move from one place to the other.
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
Explain the effect of density on the speed of sound.
______ is the number of vibrations of a particle in the medium, in one second
