2.1 (l)

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Demonstration 1

Going back to the ripple tank, it is now worth setting up two dippers that are independent of each other and strating them in phase to observe the pattern. Now change the frequency of one of the dippers so that they are no longer coherent and discuss the outcome.

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Analysis

Equipment

Safety

Demonstration 2

Set up two oscillators with a piece of elastic (string) tied between them. Set them in phase and whatch the interference pattern. Turn one of the oscillators on its side and observe the change. How does this affect what would happen in the double slit experiment?

Resources

Analysis

Equipment

Safety

Syllabus

Waves & Particles