speed of sound meaning in Hindi

Examples

1. No variation of density, speed of sound and Mach number is allowed.
2. He produced the earliest, reasonably accurate estimate of the speed of sound.
3. Some hard disks now run at just under the speed of sound,
4. -- Air speed : Mach 2, or twice the speed of sound.
5. Those physical properties and the speed of sound change with ambient conditions.
6. It is the only seaplane to have exceeded the speed of sound.
7. Where were the indomitable winds that would surpass the speed of sound?
8. It can cruise faster than the speed of sound without using afterburners.
9. The speed of sound in mercury was also very dependent on temperature.
10. He uses two blades and can attack at the speed of sound.