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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
Explain with an example, the propagation of sound in a medium.
Describe an experiment to show that in wave motion, only energy is transferred, but particles of medium do not move.
Complete the following sentence :
A longitudinal wave is composed of compression and ____________.
The correct statement is :
The time period of a simple pendulum is 2 s. Find its frequency.
A longitudinal wave travels at a speed of 0.3 m s-1 and the frequency of wave is 20 Hz. Find the separation between two consecutive compressions.
Select the correct option:
The number of oscillations passing through a point in unit time is called:
Select the correct option:
The SI unit of frequency is
How are sound waves produced? How are sound waves transmitted from one place to the other?
How will the following factors affect the speed of sound in air:
Wind.
