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The velocity of sound in moist air is mo...

The velocity of sound in moist air is more than in dry air because the moist air has

A

less density than dry air.

B

less pressure than dry air.

C

more pressure than dry air.

D

more density than dry air

Text Solution

Verified by Experts

The correct Answer is:
A
The density of dry air is more than that of moist air (when moisture is removed from air, its density increases). The speed of sound in a medium is inversely proportional to the square root of its density. Therefore, the speed of sound in moist air is more than that in dry air.
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Knowledge Check

  • Velocity of sound in air is

    A
    300m/s
    B
    `3 xx 10^10 m//s`
    C
    `3 xx 10^8 m//s`
    D
    `3 xx 10^19 m//s`

  • Velocity of sound in air is

    A
    300m/s
    B
    `3 xx 10^10 m//s`
    C
    `3 xx 10^8 m//s`
    D
    `3 xx 10^19 m//s`

  • Velocity of sound in air is about

    A
    330 m/s
    B
    360 m/s
    C
    380 m/s
    D
    400 m/s

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