What is the purpose of the screen on the door of the microwave is for?

[This is for the Physics Laboratory] into factors that impact on the standing wave? This is an experiment that melted in the microwave chocolate chips, & you have into mesure the length between hotspots. (Mesuring the speed of EMR is the title of the lab) Thanks =]

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One Response to “What is the purpose of the screen on the door of the microwave is for?”

  1. bdwolfhound 22. Jul, 2010 at 12:24 am #

    The screen is completely a Faraday cage, that is, it prevents that microwave radiation to fry coming out of you. The frequency of the magnetron and the dimensions of Ofens.Ein small Java applet demonstrating this at: http://www. Colorado. edu/physics/2000/microwaves/standing_wave1. html

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