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Figure below shows a test tube floating in water in a tall beaker.

      

Figure below shows a test tube floating in water in a tall beaker.
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i) State what can be done to make the text tube floating vertically upright.
ii) Explain how the test tube may be calibrated to measure relative densities of liquids.
iii) State what can be done to increase the sensitivity of such an instrument.

  

Answers


sharon
i) Adding some heavy mass / sand into the test-tube
ii) Dip the test-tube in liquids of different densities and mark the level to which the tube floats in each.
iii) Using a test-tube of lower radius / using a thinner test tube.
sharon kalunda answered the question on March 26, 2019 at 09:08


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