Can sound travel through vacuum?

एक पंक्ति में उत्तर

No, sound cannot travel through vacuum.

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अध्याय 7: Sound - Production and Propagation of Sound [पृष्ठ २७८]

अध्याय 7 Sound
Production and Propagation of Sound | Q 3 | पृष्ठ २७८

अध्याय 7 Sound
Exercise | Q 4 | पृष्ठ २८६

What is a longitudinal wave? In which medium: solid, liquid or gas, can it be produced?

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?

State four differences between the sound wave and the light wave.

Does sound require a material medium for transmission?

Does the speed of sound depend upon the direction of wind?

Is it possible to hear your friend's voice in vacuum? Give reason for your answer.

Does light travel faster in air than in water? Why?

How will the following factors affect the speed of sound in air:
Wind.

State three important uses of echolocation.