The speed of sound in air at N.T.P. is 300 m/s. If air pressure becomes four times, then the speed of sound will be
150 m/s
300 m/s
600 m/s
1200 m/s
Becomes half
Option 1)
150 m/s
This option is incorrect.
Option 2)
300 m/s
This option is correct.
Option 3)
600 m/s
This option is incorrect.
Option 4)
1200 m/s
This option is incorrect.