The speed of sound in oxygen (O2) at a certain temperature is 460 ms-1 The speed of sound in helium (He) at the same temperature will be (assume both gases to be ideal)
Laplace formula (correct value )
The value of the speed of sound in He should have been 965 m/s and that of O2 about 320 m/s. The value of the velocity given fo O2 is quite high.
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