Waec Model Questions Vol1 2017 Physics Question 1
Practice essay / theory question 1 from the 2017 Waec Model Questions Vol1 Physics examination. This question covers Measurements and Units, Density and Specific Gravity .
A laboratory experiment is conducted to determine the density of a liquid using a hydrometer. The hydrometer is calibrated to read a specific gravity of 1.0 when immersed in water at 4°C. In the experiment, the hydrometer reads 0.8 when placed in the liquid. The temperature of the liquid is 25°C. (a) Explain how the concept of density is related to specific gravity. (b) Calculate the density of the liquid in grams per cubic centimeter (g/cm³). (c) Discuss two factors that could affect the accuracy of the hydrometer readings in this experiment.
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This is Waec Model Questions Vol1 2017 Physics Question 1. It is one of the essay questions from the 2017 Waec Model Questions Vol1 Physics examination.
The question covers Measurements and Units, Density and Specific Gravity .
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