Physics for IGCSE & O level - Measurements And Units (Section 2 - No. 17)
Which of the following statements are correct concerning density?
Density can be calculated using mass and volume.
A material floats if it's less dense than the liquid it's in.
A hydrometer can be used to measure liquid density.
Weight is a measure of mass and volume.
Explanation
Density is calculated using mass and volume. Materials float if they are less dense. A hydrometer can measure liquid density.
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