KVPY SX SB Exam 2012 Question Paper

Question : 30 of 120

Marks: +1, -0

The ratio of the speed of sound to the average speed of an air molecule at 300K and 1 atmospheric pressure is close to

Solution:

\V_\sound/\V_\av=√{{\γ\kT}/\m×{\π\M}/{8\kT}}

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