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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.
To detect the obstacles in their path, bats produce ______.
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
A medium is necessary for ______ of sound.
What do you understand by the term sound energy?
The diagram given below shows a displacement distance graph of a wave. If the velocity of wave is 160 ms-1, calculate:
- wavelength
- frequency
- amplitude.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
Longitudinal waves are produced in solids liquids and also in gases.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
