A Thin Test Tube Is Partially Filled with Lead Pellets $\rho$

question 20

Multiple Choice

A thin test tube is partially filled with lead pellets so that it floats vertically in a fluid.Use Archimedes' Principle to calculate that if displaced slightly from its equilibrium position the test tube will undergo SHM in the vertical direction and derive how the time period is related to the density of the fluid.

• A)T proportional to \(\rho\)(liquid)
• B)T proportional to \(\rho\)(liquid)^1/2
• C)T proportional to \(\rho\)(liquid)²
• D)T proportional to \(\rho\)(liquid)^-2
• E)T proportional to \(\rho\)(liquid)^-1/2

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