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प्रश्न
What causes sound in air?
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उत्तर
The waves in the air causes sound . Through waves , energy get transferred from one place to another and hence the sound.
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संबंधित प्रश्न
Select the correct alternative :
Wavelength is measured in
'Note' is a sound :
Complete the following sentence :
Sound is produced by a ___________ body.
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
State the relation between the wavelength and the frequency.
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through ______.
Vibration of object produces ______.
Two observers are stationed in two boats 4.5 km apart. A sound signal sent by one, under water, reaches the other after 3 seconds. What is the speed of sound in the water?
Name two musical instruments which produce sound by vibrating strings.
Sound travels in the air as ______ wave.
