WFU Department of Physics Wake Forest University

 

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WFU Physics Lecture Demonstrations

Differential Tuning Forks

PIRA 3B60.10

Image:

Photo of Demo

Description:

When two tones are very close in frequency, they will produce a "beat" pattern that has the frequency of the difference in the two tones.  Closely matched forks will have a beat of 1-5 Hz while less closely matched forks will have a higher beat frequency.

Recipe and
Location:

Differential Tuning Forks
Mallet

Video:

Streaming Video:

Beats

MPG Video:

Medium Beats
Slow Beats
Fast Beats

Real Video:

Medium Beats
Slow Beats
Fast Beats

Notes:

None at this time.

 

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100 Olin Physical Laboratory
Wake Forest University
Winston-Salem, NC 27109-7507
Phone: (336) 758-5337, FAX: (336) 758-6142
E-mail:
wfuphys@wfu.edu