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प्रश्न
Fill in the blank with suitable word.
Sound cannot travel through ____________.
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उत्तर
Sound cannot travel through vacuum.
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संबंधित प्रश्न
Sound cannot travel in vacuum.
In which medium sound travels faster : air or hydrogen?
The velocities of sound waves in four media P, Q, R and S are 18,000 km/h, 900 km/h, 0 km/h and 1200 km/h respectively. Which medium could be a liquid substance?
Explain the experiment, with a neat diagram, to prove the following:
'Sound needs material medium for propagation.'
Describe in brief, with the aid of a lebelled diagram, an experiment to demonstrate that a material medium is necessary for propagation of sound.
State three characteristics of the medium required for propagation of sound?
The time interval between a lightning flash and the first sound of thunder was found to be 5 s. If the speed of sound in air is 330 m s-1, find the distance of flash from the observer.
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
Write the answer in your own words.
Explain with the help of practical examples how sound is propagated through solids.
the speed of sound in air is 331 ms-1 at ______ and ______ at 22°C.
