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Explain why small liquid drops are spher...

Explain why small liquid drops are spherical in shape but big drops are flat ?

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The spherical shape of the liquid drops is due to the surface tension. When drop is small, surface tension is large as compared to weight of drop. But when the size of drop increas its weight also increases. As a result of this, weight is more than the surface tension. Hence, drops are flat.
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Knowledge Check

  • Small liquid drops assume spherical shape because

    A
    of adhesion
    B
    of gravitational force
    C
    of the pressure from all sides
    D
    the liquid tends to have minimum surface area due to surface tension.

  • What makes the liquid drops spherical ?

    A
    Cohesion
    B
    Adhesion
    C
    Atmospheric pressure
    D
    Gravity

  • The spherical shape of a rain drop is due to

    A
    Density of water
    B
    Surface tension
    C
    Acceleration due to gravity
    D
    Viscosity

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