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प्रश्न
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उत्तर
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संबंधित प्रश्न
The displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.
Study the two sound waves and compare their:
- Amplitudes
- Wavelengths
Define wave velocity term in relation to a wave.
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which changes.
State the use of echo by a bat, dolphin and fisherman.
Name the principle on which a soundboard works.
Explain how the principle of echo is used by the bat during its flight at night.
Write the approximate value of the speed of sound in water.
Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?
When a sound is made from a distance of 18 m, in front of a tall building, it is found to get repeated again. Which phenomenon is associated with this observation? Give a brief explanation of this phenomenon?
What is mean by the reflection of sound?
