Advertisements
Advertisements
प्रश्न
What is meant by supersonic speed?
Advertisements
उत्तर
Supersonic speed is a rate of travel of an object that exceeds the speed of sound in air.
APPEARS IN
संबंधित प्रश्न
In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
Fill in the blank.
Sound travels faster in ________ than in liquids.
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.
A boy on a hill A fires a gun. The other boy on hill B hears the sound after 4 s. If the speed of sound is 330 m s-1, find the distance between the two hills.
A jet aircraft flies at a speed of 410 m/s. What is this speed known as?
Which term is used to denote a speed greater than the speed of sound?
Fill in the blank with suitable word :
The speed of sound in a solid is ............... than the speed of sound in air.
Numerical problem.
A stone is dropped from the top of a tower 750 m high into a pond of water at the base of the tower. Calculate the number of seconds for the splash to be heard? (Given g = 10 m s–2 and speed of sound = 340 m s–1)
The thunder of cloud is heard 9.8 seconds later than the flash of lightning. If the speed of sound in air is 330 ms–1, what will be the height of the cloud?
The propagating disturbance that travels in a medium is called a ______.
