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प्रश्न
Which term is used to denote a speed greater than the speed of sound?
उत्तर
Supersonic is the term used to denote a speed greater than the speed of sound in air.
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संबंधित प्रश्न
Fill in the blank.
Sound travels faster in ________ than in liquids.
Can sound travel through solids and liquids ? In which of these two does it travel faster ?
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
What is meant by supersonic speed?
Calculate the frequency of a wave whose time-period is 0.02 s.
The velocity of sound in solid is ______ than the velocity of sound in air.
A source of sound is travelling with a velocity 40 km/h towards an observer and emits a sound of frequency 2000 Hz. If the velocity of sound is 1220 km/h, then the apparent frequency heard by the observer is _____.
When temperature increases the speed of sound ______.
On which factors does the speed of sound in the gaseous medium depend?
Numerical problems:
Two persons are at opposite ends of a steel rod. One strikes the end of the rod with a stone. Find the ratio of time taken by the sound wave in the air and in steel to reach the second person. (Sound of speed in steel = 5960 ms-1, Sound of speed in air = 344 ms-1).
