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The ratio of speed of sound in nitrogen ...

The ratio of speed of sound in nitrogen and helium gas at 300 K is :

A

`sqrt(2/7)`

B

`sqrt1/7`

C

`sqrt3/5`

D

`sqrt6/5`

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • The ratio of speed of sound in hydrogen to the speed of sound in oxygen at 1270 K will be

    A
    `4 : 1 `
    B
    `6 : 1 `
    C
    ` 8 : 1 `
    D
    ` 10 : 1 `

  • The ratio of the velocity of sound in hydrogen gas to that in helium gas at the same temperature is

    A
    `sqrt(21)//5`
    B
    `sqrt(42)//5`
    C
    `5//42`
    D
    `5//sqrt(21)`

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

    A
    1
    B
    `sqrt(1//300)`
    C
    `sqrt(300)`
    D
    300

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    The ratio of the velocity of sound in Hydrogen gas (gamma=7/5) to that in Helium gas (gamma=5/3) at the same temperature is sqrt(21/3).

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