Microwave Absorption with Water

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PIRA Classification: 5N30.55

Description: A dry paper towel is placed between a microwave transmitter and receiver, resulting in no (or little) loss of signal strength. When the paper towel is dipped in water and placed in the beam, the signal disappears.

Special Instructions: None

Ideally For: Phys 1102, 1202, 1302, 1402

Condition: Good

Setup time: 3 minutes

Safety Issues: None