A Thin Test Tube Is Partially Filled with Lead Pellets

question 90

Multiple Choice

A thin test tube is partially filled with lead pellets so that it floats vertically in a fluid.When displaced slightly in the vertical direction,the tube undergoes SHM.In water the period is found to be 1.25 s,and when in an unknown fluid its period is 1.40 s.Use Archimedes' Principle to help you determine the density of the unknown liquid.(Density of water = 1 g/cm³)

• A)1.1 g/cm³
• B)1.2 g/cm³
• C)0.89 g/cm³
• D)0.80 g/cm³
• E)0.94 g/cm³

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