Advertisements
Advertisements
प्रश्न
What name is given to those aircrafts which fly at speeds greater than the speed of sound?
Advertisements
उत्तर
Supersonic aircraft are aircraft that fly at speeds greater than the speed of sound.
APPEARS IN
संबंधित प्रश्न
Write the approximate speed of sound in air.
A boy fires a gun and another boy at a distance of 1020 m hears the sound of firing the gun 3 s after seeing its smoke. Find the speed of sound.
What is meant by supersonic speed?
Which term is used to denote a speed greater than the speed of sound?
Calculate the frequency of a wave whose time-period is 0.02 s.
A sound signal of 128 vibrations per second has a wavelength of 2.7 m. Calculate the speed with which the wave travels.
Fill in the blanks with suitable words .
Wave speed in metres per second equals frequency in ............ multiplied by ..................... in ..................
The maximum speed of vibrations which produce audible sound will be in :
Why does the flash of lighting reach earlier than the sound of thunder?
The velocity of sound is independent of temperature.
