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प्रश्न
If you place your ear close to an iron railing which is tapped some distance away, you hear the sound twice. Explain why?
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उत्तर
Sound travels in iron faster than in air so first the sound travelled in iron rail is heard and then the sound travelled in air is heard.
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संबंधित प्रश्न
Explain with an example, the propagation of sound in a medium.
Explain the terms crest and trough in relation to a transverse wave.
How does the following factor affect, if at all, the speed of sound in air:
Frequency of sound
How does the following factor affect, if at all, the speed of sound in air:
Pressure of air
How does the following factor affect, if at all, the speed of sound in air:
Moisture in air
Complete the following sentence :
A longitudinal wave is composed of compression and ____________.
Select the correct option:
The SI unit of frequency is
Can sound travel through vacuum?
Does light travel faster in air than in water? Why?
How will the following factors affect the speed of sound in air:
Pressure of air.
