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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
    A 20-cm long capillary tube is dipped in water. The water rises up to 8 cm. If the entire arrangement is put in a freely falling elevator, the length of the water column in the capillary tube will be

    A) 20 cm  

    B) 4 cm

    C) 10 cm 

    D) 8cm

    Correct Answer: A

    Solution :

    [a] In the condition of weightlessness, water rises to the whole of the available length.


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