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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
Name the two kinds of waves in form of which sound travels in a medium.
How does the following factor affect, if at all, the speed of sound in air:
Frequency of sound
State four differences between the sound wave and the light wave.
State the main factors on which the speed of sound in a medium depends.
Is the speed of sound different in different media?
Compare approximately the speed of sound in air and steel.
How will the following factors affect the speed of sound in air:
Temperature of air.
How will the following factors affect the speed of sound in air:
Humidity.
How will the following factors affect the speed of sound in air:
Wind.
State three important uses of echolocation.
