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प्रश्न
Is it possible to hear your friend's voice in vacuum? Give reason for your answer.
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.
How does the following factor affect, if at all, the speed of sound in air:
Frequency of sound
Define the term wavelength.
State four differences between the sound wave and the light wave.
Can sound travel through vacuum?
Does light travel faster in air than in water? Why?
Describe in brief, with the aid of a sketch diagram, an experiment to demonstrate that a material medium is necessary to transmit sound.
How will the following factors affect the speed of sound in air:
Pressure of air.
How will the following factors affect the speed of sound in air:
Humidity.
State three important uses of echolocation.
