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I1-52. 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 minutes.

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.