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प्रश्न
Complete the following sentences :
Sound cannot travel through __________, but it requires a ___________.
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उत्तर
Sound cannot travel through Vacuum, but it requires a medium .
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संबंधित प्रश्न
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
Distinguish between longitudinal and transverse waves.
The wavelength of the vibrations produced on the surface of water is 2 cm. If the wave velocity is 16 ms-1, calculate:
- no. of waves produced in one second
- time required to produce one wave.
Two tuning forks A and B of frequencies 256 Hz and 192 Hz respectively are vibrated in air. If the wavelength of A is 1.25 m, calculate the wavelength produced by B.
A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.
The amplitude of the sound wave decides its
Number of vibrations produced in one second is ______.
Through which medium sound travels faster, iron or water? Give reason.
Vibrations in a body produce ______.
