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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
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संबंधित प्रश्न
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?
How do bats avoid obstacles in their way, when in flight?
Explain how is the principle of echo used by
(a) The bat during its flight at night,
(b) The dolphin to locate small fish as its prey.
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.
State two factors on which the natural frequency of a body depends.
Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
