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प्रश्न
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
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उत्तर
Sound waves in air are longitudinal in nature because it forms successive compressions and rarefactions due to the continuous pressure variation.
Water waves are transverse in nature because it forms successive crests and troughs.
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संबंधित प्रश्न
Describe with the help of a diagram, how compressions and rarefactions are produced in air near a source of sound.
Sound cannot travel in vacuum.
In which medium sound travels fastest : air, water or steel?
Describe an experiment to show that sound cannot pass through vacuum.
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
The time interval between a lightning flash and the first sound of thunder was found to be 5 s. If the speed of sound in air is 330 m s-1, find the distance of flash from the observer.
Can we hear sounds of frequencies:
Less than 20 Hz
Does audible range of frequency vary from person and also with the age of the person?
Rarefactions are the regions of ______ where particles are spread apart.
The small to and fro motion is called vibration.
