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प्रश्न
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which does not change.
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उत्तर
The frequency of a wave does not change when it passes from one medium to another medium.
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संबंधित प्रश्न
Name the characteristic of sound in relation to its waveform
State two factors on which the speed of a wave travelling in a medium depends.
State two differences between the light and sound waves.
What is the condition necessary for an echo to be heard distinctly?
State the use of echo by a bat, dolphin and fisherman.
Name the principle on which a soundboard works.
What is a megaphone ? Name the principle on which a megaphone works.
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
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?
