Marshmallows in the Microwave

Identifier: E&M: AC - 009

An old microwave on a cart

Concept Overview:

Evidence of a high frequency standing wave.

Lecturer Procedure

Step(s) to Follow

  1.  Place marshmallows in microwave.
  2. Press "cook 1" followed by 15 seconds.
  3. Hit start.
  4. When microwave is done, press marshmallows down and remove from microwave.

Expected Result

There will be a definite pattern of uneven cooking caused by the standing wave.

See below:

A pattern of marshmallows created by the standing wave in a microwave

 

 

 

 

 

Transcript:

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