Physics · Low Temperature Physics
Which of the following statements correctly describes the difference between liquid Helium-I (He-I) and Helium-II (He-II)?
- 1He-I exhibits superfluidity, while He-II behaves like a classical normal fluid.
- 2He-I has extremely high thermal conductivity, while He-II has low thermal conductivity.
- 3He-I has zero viscosity, while He-II has high viscosity.
- 4He-I behaves as a normal liquid, while He-II behaves as a superfluid.✓
Correct answer
He-I behaves as a normal liquid, while He-II behaves as a superfluid.
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