In this experiment you will determine an approximate value for the density of the glass from which a test-tube is made. You are provided with: • a test-tube • a 250 cm³ glass beaker containing water • a 30 cm ruler • a 100 cm³ measuring cylinder • 2 rectangular blocks of wood • access to a balance. The height h and the external diameter d of the test-tube are shown in Fig. 1.1. [Figure 1.1]
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