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संबंधित प्रश्न
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
Name the characteristic which differentiates two sounds of the same pitch and same loudness.
What is loudness of sound? What factors does it depend on?
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.
A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave?
The time interval between a lighting flash and the first sound of thunder was found to be 6 s. If the speed of sound in air is 330 ms-1, find the distance of the flash from the observer.
What is echolocation? How do animals make use of this phenomenon?
Why does an empty vessel produce more sound than a filled one?
