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प्रश्न
Name the Sound of the Frequency Given Below:
2000 Hz
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उत्तर
Audible sound.
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संबंधित प्रश्न
Name the type of waves which are used by astronauts to communicate with one another on moon (or in outer space).
State one observation from everyday life which shows that sound travels much more slow than light.
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
Describe an experiment to show that sound cannot pass through vacuum.
Sound travels in air :
Complete the following sentences :
When sound travels in a medium, the particles of medium ___________ but the disturbance ___________.
What is the approximate value of the speed of sound in air at N.T.P.?
What is the audible range of frequency?
Can we hear sounds of frequencies:
More than 20 KHZ
Rarefactions are the regions of ______ where particles are spread apart.
