Waves are Phun


In todays lab we will observe and measure a variety of wave phenomenon. The waves we will be examining are transverse waves on a spring.

Standing waves on the spring

For this part of the experiment make sure that the two people holding the spring are always the same distance apart and that the tension in the spring stays constant for these three sets of measurements.

To do this experiment you will need a group of three people. Again with a partner on the other end of the spring you are now going to make standing waves on the spring. One partner will hold their end still while the other will gentlly oscillate their end up and down until a standing wave of one-half wavelenght is produced. The third lab partner will time the oscillation to get the frequency to create this standing wave. The frequency is the number of oscillations per second, or freq = number of ossicillations divided by seconds. Next the oscillation will be incresed to set up the next standing wave that has a full wavelength. Again determine the frequency needed for this. Finally set up the next standing wave pattern and determine the frequency to do this. Do you see a pattern in the frequencies needed to create the standing waves?