6D30.20 - Soap Film Interference




Code: 6D30.20


Demo Title: Soap Film Interference


Subject: Thin Films


Description:
See the interference pattern caused by light gong through a thin soap film.


Procedure:

  • First tip the cup of the soap holder into the soap to create a thin film of soap over the opening of the cup.
  • Next turn on the projector such that the light of the projector goes on the film of soap.
  • Ensure that the reflected interference pattern is properly in focus through the lens.


Video URLs:


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