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
Select the correct alternative :
The speed of sound in water is
Describe an experiment to show that sound can travel in water.
Write the approximate speed of sound in steel.
Which of the following is the speed of sound in copper and which in aluminium?
(a) 5100 m/s
(b) 1500 m/s
(c) 3750 m/s
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
What name is given to those aircrafts which fly at speeds greater than the speed of sound?
Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 12 gm and 48 gm respectively. In which bottle will sound travel faster? How many times be as fast as the other?
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 speed of sound in a gaseous medium depends on ______.
Assertion: The speed of sound in air is less than the speed of sound in solid.
Reason: If we increase the temperature of medium, the speed of sound increases in any medium.
