The 'fountain effect' of superfluid helium is:

  1. helium freezing into ice
  2. helium becoming a gas instantly
  3. a jet of helium shooting up when it is gently heated in a porous tube
  4. helium becoming viscous
Answer

C) a jet of helium shooting up when it is gently heated in a porous tube

A striking superfluid demonstration. SLO P-11-B-43 · Understanding

Physics MCQ · More Fluid Statics and Dynamics MCQs · Practise