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संबंधित प्रश्न
Select the correct alternative :
Wavelength is measured in
You recognize your friend by hearing his voice on a telephone. Explain.
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.
Arrange the speed of sound in gases Vg, solids Vs and liquids VLin an ascending order.
What is sound? What causes it to produce?
Select the correct option:
The longitudinal waves can propagate only in
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the time period.
Sound travels in the form of ______.
Match the following.
| Ultrasonics | Frequency below 20Hz |
| Speed of sound in air | Needs material medium |
| Infrasonics | 330ms-1 |
| Sound propagation | Frequency more than 20000 Hz |
