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Speaker and Candle

A speaker sits on the second shelf of a cart with a candle in front of it.  A frequency generator and amplifier sit on the top shelf of the cart

Concept Overview:

1. Sound waves have a longitudinal nature

Lecturer Procedure

Step(s) to FollowExpected Result
Set function generator to create a frequency of 10-20 HzCandle will flicker, sound will be at a minumum (frequency is below threshhold of hearing)

 

Identifier
M: WM&S - 050