Density and Relative Density - One Word Answers | Physics Quiz

Class 9 Physics: One-Word/Term Answers on Density and Relative Density

1. Mass per unit volume of a substance.

Density

2. SI unit of density.

kg/m³

3. The formula to calculate density.

Mass / Volume

4. The density of water in g/cm³.

1

5. The term used for comparing density of a substance with water.

Relative Density

6. Relative density has no unit. True or False?

True

7. Formula to find relative density.

Density of substance / Density of water at 4⁰C

8. A body will float in water if its density is ____ than water.

Less

9. The instrument used to measure mass.

Physical Balance

10. The instrument used to find the volume of irregular solids.

Measuring Cylinder

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