In this experiment, we will use a Kundt's Tube to calculate the speed of sound in a copper rod. Our apparatus includes a glass tube containing a layer of fine cork dust, a wooden dowel, and a copper rod. The copper rod will be inserted into the glass tube and its midpoint securely clamped. The end of the rod inside the tube has a vibrating disk which will agitate the air and the cork dust in the resonating chamber when the outer end of the rod is excited. We will collect the following data: the lengths of the loop in the copper rod and several loops in the cork dust as well as the temperature in the room. |
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