JEE Main & Advanced Physics Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन Question Bank Self Evaluation Test - Mechanical Properties of Fluids

  • question_answer
    Two spherical bubbles are in contact with each other internally as shown. The radius of curvature of the common surface is R, then

    A) \[R>{{R}_{1}}\]

    B) \[{{R}_{1}}>R>{{R}_{2}}\]

    C) \[R<{{R}_{2}}\]

    D) \[R={{R}_{1}}\]

    Correct Answer: C

    Solution :

    [c] Pressure difference is largest between atmosphere and smaller bubbles. Hence radius of curvature (R) is smallest.


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