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Transverse Waves On A Long Spring - Free End

Purpose

To show reflections at a free end.

Equipment

Long tight spring with string at one end with clamp.

Images

g3-23

Description

A string holds one end of the long tight spring to the clamp on the lecture table. Because the string is long,and light compared to the spring, this forms a free end for the spring, allowing the end of the spring moves when a wave approaches.