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प्रश्न
The correct statement is :
पर्याय
Sound and light both require medium for propagation.
Sound can travel in vacuum, but light can not
Sound needs medium, but light does not need medium for its propagation.
Sound and light both can travel in vacuum.
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उत्तर
The correct statement is : Sound needs medium, but light does not need medium for its propagation.
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संबंधित प्रश्न
Choose the correct word/words to complete the following sentence :
When sound travels in a medium ____________
If you place your ear close to an iron railing which is tapped some distance away, you hear the sound twice. Explain why?
How does the speed of sound change with change in (i) amplitude and (ii) wavelength, of sound wave?
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.
Can sound travel through vacuum?
Does sound require a material medium for transmission?
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:
Temperature of air.
How will the following factors affect the speed of sound in air:
Humidity.
