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प्रश्न
What are infrasonic waves?
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उत्तर
The waves of frequency below 20 Hz are called infrasonic waves.
संबंधित प्रश्न
A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz
A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.
1) Calculate the speed with which this sound travels
2) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength 2.6 m?
Name the characteristic of sound in relation to its waveform.
Define frequency term in relation to a wave.
Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
Point out the waves from the given list, i.e., light, sound, radio waves, ultrasonic waves, and thermal radiation, the energy is propagated by mechanical waves.
