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

  • question_answer
    An iceberg is floating partially immersed in sea water. The density of sea water is \[1.03gc{{m}^{-3}}\] and that of ice is\[0.92gc{{m}^{-3}}\]. The approximate percentage of total volume of iceberg above the level of sea water is

    A) 8                     

    B) 11

    C) 34                   

    D) 89

    Correct Answer: B

    Solution :

    [b] \[(V-\Delta V)\times 1.03\times g=V\times 0.92\times g\] Or \[\frac{V-\Delta V}{V}=\frac{0.92}{1.03}\] Or \[\frac{\Delta V}{V}=1-\frac{0.92}{1.03}=\frac{0.11}{1.03}\] Or \[\frac{\Delta V}{V}\times 100=\frac{11}{1.03}\approx 11\]


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