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प्रश्न
Write the audible range of frequency for the normal human ear.
उत्तर
The range of frequency from 20 Hz to 20,000 Hz is called the audible range for the normal human ear.
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संबंधित प्रश्न
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
When we change a feeble sound to a loud sound, we increase its :
A cannon is fired at A (see diagram). An observer at B hears two sounds. The first sound is heard after 1 second and the second 3s after the observer sees the flash. (Velocity of sound = 340 ms−1)
(i) Why does the observer see the flash before he hears the sound?
(ii) Calculate the distance x between the observer and the wall.
Select the correct option:
A longitudinal wave consists of:
The sound of which of the following frequency is audible to us?
2 Hz, 1000 Hz, 200 kHz, 8 MHz
Describe with diagram, how compressions and rarefactions are produced.
Why does an empty vessel produce more sound than a filled one?
What types of medium are required for sound to travel?
Why is a sound wave called a longitudinal wave?
