Tuning Fork At Liquid Nitrogen Temperature

Purpose

To demonstrate the change in frequency of a tuning fork at liquid nitrogen temperature.
 

Equipment

Two identical tuning forks with hammer, liquid nitrogen.

 

Setup Time

5 min.
 

    Images

    i1-52

    Description

    Cool down one of the two identical tuning forks in liquid nitrogen. When it is cooled, beats are observed between identical tuning forks, one of which has been cooled.