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प्रश्न
Write the approximate value of the speed of sound in iron.
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उत्तर
The speed of sound in iron = 5100 ms−1
संबंधित प्रश्न
Why are the ceilings of concert halls curved?
A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.
1) Calculate the speed with which this sound travels
2) What difference would be felt by a listener between the above sound and another sound traveling at the same speed, but of wavelength 2.6 m?
State two differences between the light and sound waves.
The following diagram shows three ways in which the string of an instrument can vibrate.
(a) which of the diagram shows the principal note?
(b) which has the frequency four times that of the first?
(c) what is the ratio of the frequency of the vibration in (i) and (ii)?
What is a bulb horn ? Name the principle on which a bulb horn works.
What do you mean by reflection of sound? State one condition for the reflection of a sound wave. Name a device in which reflection of sound wave is used.
Write the approximate value of the speed of sound in air.
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
Explain why, the ceilings of concert halls are curved.
