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प्रश्न
Is it possible to hear your friend's voice in vacuum? Give reason for your answer.
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उत्तर
No, it is not possible to hear the friend's voice in vacuum because sound needs a material medium to travel.
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संबंधित प्रश्न
Name the two kinds of waves in form of which sound travels in a medium.
Explain the terms crest and trough in relation to a transverse wave.
How does the following factor affect, if at all, the speed of sound in air:
Temperature of air
How does the following factor affect, if at all, the speed of sound in air:
Moisture in air
The time period of a simple pendulum is 2 s. Find its frequency.
Select the correct option:
The SI unit of frequency is
Define the term wavelength.
State the main factors on which the speed of sound in a medium depends.
Is the speed of sound different in different media?
State three important uses of echolocation.
