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प्रश्न
Fill in the blank.
We can hear sounds of frequency in the range of _______
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उत्तर
We can hear sounds of frequency in the range of 20 Hz to 20,000 Hz.
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संबंधित प्रश्न
Write true or false for a given statement.
A sound is a form of energy.
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
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The speed of sound in air at 0°C is nearly :
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.
A person hearing at one end of a long metal bar hears two distinct sounds when the other end is struck with a stone. Explain, giving scientific reasons
A list of mediums is given below.
- wood
- water
- air
- vacuum
In which of these mediums can sound travel?
