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An air bubble of radius 1mm is formed in...

An air bubble of radius 1mm is formed inside water at a depth 10m below free surface (where air pressure is `10^5 N/m^2)`. The pressure inside the bubble is – (Surface tension of water = `7 x× 10^(–2) N//m)`

A

`2.28xx10^(5)N//m^(2)`

B

`2.0028xx10^(5)N//m^(2)`

C

`2.14xx10^(5)N//m^(2)`

D

`2.0014xx10^(5)N//m^(2)`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • A small air bubble of radius 0.1 mm is situated at a depth of 10 m below the free surface of water .The external pressure on the bubble will be

    A
    `0.5 xx10^(5)N//m^(2)`
    B
    `10^(5)N//m^(2)`
    C
    `2 xx 10^(5) N//m^(2)`
    D
    `4xx10^(5) N//m^(2)`

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    B
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    `3 xx 10^(5) N//m^(2)`
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  • An air bubble of radius 1 mm is located at a depth of 20 cm below water level. The excess pressure inside the bubble above the atmospheric pressure is [Given the surface tension of water is 0.075Nm^(-1) and density is 1000kgm^(-3)

    A
    2110Pa
    B
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    C
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    D
    2310Pa

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