Physical Quantities and Measurement-B

Density is defined as

• volume per unit mass

• mass per unit volume

• the ratio of two different masses

• the ratio of two different volumes

The mass of an irregular solid can be measured by using

• measuring cylinder

• eureka can

• physical balance

• none of the above

The volume of an irregular solid can be measured by using

• Eureka can

• beam balance

• spring balance

• physical balance

The relative density of a substance is defined as the ratio of the density of the substance to the density of water at 4⁰C.

• True

• False

Another term for relative density is (a)  

Specific gravity of a liquid can be measured by using (a)  

A wax candle __________________ on water

• floats

• sinks

• neither sinks nor floats

Name the instrument used to measure the relative density of liquids

• hydrometer

• thermometer

• galvanometer

The density of sea water is ____________ than the density of distilled water.

• more

• less

• equal

• slightly equal

Kerosene will float over water because its density is ___________ than that of water.

• more

• equal

• less

• almost equal