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What is the Range of Audibility? - Physics

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प्रश्न

What is the range of audibility?

एका वाक्यात उत्तर

उत्तर

The range of audibility is between 20 Hz to 20,000 Hz.

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पाठ 6: Echoes and Vibrations of Sound - Short Answers

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आईसीएसई Physics [English] Class 10
पाठ 6 Echoes and Vibrations of Sound
Short Answers | Q 30

संबंधित प्रश्‍न

A radar sends a signal to an aircraft at a distance of 30 km away and receives it back after 2 x 10-4 seconds. What is the speed of the signal?


A ship on the surface of water sends a signal and receives it back from a submarine inside water after 4 s. Calculate the distance of the submarine from the ship. (The speed of sound in water is 1450 ms-1)


Figure below shows the distance-displacement graph of two waves A and B. Compare

  1. the amplitude,
  2. the wavelength of the two waves.


A sound made on the surface of a lake takes 3 s to reach a boatman. How much time will it take to reach a diver inside the water at the same depth?
Velocity of sound in air = 330 ms1
Velocity of sound in water = 1450 ms1


The smoke from the gun barrel is seen 2 seconds before the explosion is heard. If the speed of sound in air is 340 ms−1, calculate the distance of the observer from the gun. State the approximation used.


An observer standing in front of a vertical wall claps 10 times one second. He adjusts his distance from the wall in such a way that the second of his clapping coincides with the echo. This happens when bis distance from the wall is 17.5m. What is the velocity of sound heard by him?


A boy stands 66.4 m in front of a high wall and then blows a whistle. Calculate the time interval when he hears an echo. (Speed of sound = 332m/s).


An observer stands at a certain distance away from a cliff and produces a loud sound. He hears the echo of the sound after 1.8 s. Calculate the distance between the cliff and the observer if the velocity of sound in air is 340 m−1.


An instrument is able to detect the reflected waves from an enemy aeroplane, after a time interval of 0.02 milliseconds. If the velocity of the waves is 3 × 108 ms−1, calculate the distance of the plane from the radar.


A man stands in between two parallel cliffs and blows a whistle. He hears first echo after 0.6s and second echo after 2.4s. Calculate the distance between cliffs.
[Speed of sound = 336 m/s]


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