Question
Question: A student plotted the folLowing four graphs representing the variation of velocity of sound in a gas...
A student plotted the folLowing four graphs representing the variation of velocity of sound in a gas with the pressure P. Which one is correct?
A
B
C
D
Answer
Explanation
Solution
The speed of sound in a gas does not depends upon pressure of the gas, till temperature remains constant i.e., speed remains the same whatever be the pressure. Therefore, graph (4) is correct.