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P = excess pressure value of different c...

P = excess pressure value of different curvatures, r – radius, d - diameter, T - surface Tension

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The correct Answer is:
A-P;B-QS;C-QS;D-R
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What is the excess of pressure inside the spherical drop of water of radius 1 mm. Surface tension of water is 70xx10^(-3)N//m .

What is the excess of pressure inside the spherical drop of water of radius 1mm. Surface tension of water is 70xx10^(-3)N//m .

Knowledge Check

  • Excess pressure can be (2T/R) for

    A
    spherical drop
    B
    spherical meniscus
    C
    cylindrical bubble in air
    D
    spherical bubble in water

  • If a number of small droplets of water each of radius r coalesce to form a single drop of radius R, then the rise of temperature is :(s = specific heat capacity of water, d = density of water, T = surface tension of water)

    A
    `(3Td)/( s) ((1)/(R ) -(1)/(r ))`
    B
    `(3s )/(TD ) ((1)/(r )-(1)/(R ))`
    C
    `(3s )/( ds )((1)/(r ) - (1)/(R ))`
    D
    `(3Ts)/( d ) ((1)/(r ) - (1)/( R))`

  • An air bubble of radius 'r' is formed at a depth 'h' below the surface of water of density 'd' and if 'p_(0)' is the atm pressure, T is surface tension of water, then the pressure inside the bubble is

    A
    `p_(0)+(2T)/(r )`
    B
    `p_(0)+hdg+(2T)/(r )`
    C
    `p_(0)+hdg+(4T)/(r )`
    D
    `p_(0)+(4T)/(r )`

    • Similar Questions

    Explore conceptually related problems

    What is the excess of pressure inside a spherical drop of water of radius 1mm. Surface tension of water is 70xx10^(-3)N//m .

    What is the pressure inside the drop of mercury of radius 3.00 mm at room temperature ? Surface tension of mercury at that temperature (20^(@)C) is 4.65xx10^(-1)Nm^(-1) . The atmospheric pressure is 1.01xx10^(5) Pa. Also given the excess pressure inside the drop.

    What is the pressure inside the drop of mercury of radius 3.00mm at room temperature? Surface tension of mercury at that temperature (20^@C) is 4.65 times 10^-1 N m^-1 . The atmospheric pressure is 1.01 times 10^5 Pa . Also give the excess pressure inside the drop.

    An air bubble of radius 'r' is formed at a depth 'h' below the surface of water of density 'd' and if 'p_0' is the atm pressure, T is surface tension of water, then the pressure inside the bubble is

    An air bubble of radius 'r' is formed at a depth 'h' below the surface of water of density 'd' and if 'p_0' is the atm pressure, T is surface tension of water, then the pressure inside the bubble is

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