Home
Class 11
PHYSICS
The excess pressure inside a small air b...

The excess pressure inside a small air bubble of radius 0.05 mm in water of surface tension 70 dyne `cm^(-1)` (in pascal)

A

28.2

B

`2.8xx10^(2)`

C

`2800`

D

`280`

Text Solution

Verified by Experts

The correct Answer is:
3
`DeltaP=(2T)/(r)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise Level 2 (H.W)|39 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise Illustration|62 Videos

  • MECHANICAL PROPERTIES OF FLUIDS

    NARAYNA|Exercise integer Type Questions|25 Videos

  • MATHEMATICAL REVIEW & PHYSICAL WORLD

    NARAYNA|Exercise C.U.Q|13 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

Similar Questions

Explore conceptually related problems

The excess pressure inside a soap bubble of radius 4 cm is 30 "dyne"//cm^(2) . The surface tension is

What is the excess of pressure inside a soap bubble of radius 3cm if the surface tension of the soap solution is 30 dyn/cm ?

Knowledge Check

  • The excess pressure inside a soap bubble of radius R is (S is the surface tension)

    A
    `2S/R`
    B
    `4S/R`
    C
    `S/R`
    D
    `S/2R`

  • The excess pressure inside a soap bubble of diameter 2 cm of soap solution of surface tension

    A
    `100 N//m^(2)`
    B
    `10 N//m^(2)`
    C
    `1 N//m^(2)`
    D
    `0.1 N//m^(2)`

  • Excess pressure inside a soap bubble of radius r and surface tension T is

    A
    `(2T)/r`
    B
    `(4T)/r`
    C
    `T/(2r)`
    D
    `T/(4r)`

    • Similar Questions

    Explore conceptually related problems

    Find the excess pressure inside a liquid drop of radius 2 cm, if the surface tension of water is 0.073 N m^(-1)

    Calculate excess pressure in an air bubble of radius 6 mm. Surface tension of liquid is 0.58 N/m.

    The excess pressure inside an air bubble of radius 1 mm formed inside water is (S.T=0.072N//)

    The excess pressure in dyne/ inside a liquid drop of radius 2 mm and fsurface tension T is

    The excess of pressure in a soap bubble of diameter 10 mm , when the surface tension is 0.04N//m is

    Home
    Profile