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: Physics

Tuesday, August 12, 2008
Asked by: Geeth
Subject: Physics
Question: Why does liquid helium spontaneously flow out of containers?
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posted by S @ 10:46 PM  
  • At August 14, 2008 at 1:28 PM, Blogger sriram@peace said…

    since liquid helium has low viscosity

  • At August 14, 2008 at 7:36 PM, Anonymous Anonymous said…

    do you know the temperature of liquid helium?very low its only 4 k.viscosity of gases increase with increase in temp. but viscosity of liquids decreases with increase in temp.can u guess how these low temp. are produced.

  • At August 14, 2008 at 8:30 PM, Anonymous Anonymous said…

    The adhesive force is greater than the cohition force so the molecules near the walls of the container moves upwards

  • At September 12, 2008 at 12:17 PM, Anonymous Anonymous said…

    the frictionless flow and other exotic behaviour observed in liquid helium at temperatures near absolute zero (−273.15 °C, or −459.67 °F), and (less widely used) similar frictionless behaviour of electrons in a superconducting solid. In each case the unusual behaviour arises from quantum mechanical effects.


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