Medium
The wavelength of sound waves in hydrogen gas corresponding to the lower limit of audibility is ........ $m$ (speed of sound in hydrogen gas is about $1350 \, m/s$).
- A$60$
- B$67.5$
- C$100$
- D$500$
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Similar Questions
Regarding the speed of sound in a gas, match the following:
$A$. Temperature of gas is made $4$ times and pressure $2$ times $P$. Speed becomes $2\sqrt{2}$ times $B$. Only pressure is made $4$ times without change in temperature $Q$. Speed becomes $2$ times $C$. Only temperature is changed to $4$ times $R$. Speed remains unchanged $D$. Molecular mass of the gas is made $4$ times $S$. Speed becomes half
| $A$. Temperature of gas is made $4$ times and pressure $2$ times | $P$. Speed becomes $2\sqrt{2}$ times |
| $B$. Only pressure is made $4$ times without change in temperature | $Q$. Speed becomes $2$ times |
| $C$. Only temperature is changed to $4$ times | $R$. Speed remains unchanged |
| $D$. Molecular mass of the gas is made $4$ times | $S$. Speed becomes half |
Medium
View SolutionThe speed of sound in oxygen at $S.T.P.$ will be approximately: (Given,$R=8.3 \text{ J K}^{-1} \text{mol}^{-1}, \gamma=1.4$) (in $\text{ m/s}$)
What is the effect of pressure on the speed of sound in a medium,if pressure is doubled at constant temperature?
Estimate the speed of sound (in $m/s$) in air at standard temperature and pressure $(STP)$. The mass of $1$ mole of air is $29.0 \times 10^{-3} \; kg$.
Medium
View SolutionSpeed of sound in air near room temperature is approximately
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