Thermal Equilibrium and Thermal Expansion

This is the study of energy transformations involving heat, mechanical work, ad other aspects of energy.

(a)  

Two systems are in thermal equilibrium if they have the same (a)   .

Which of these have the same temperature scale?

• Celsius and Kelvin

• Celsius and Fahrenheit

• Fahrenheit and Kelvin

This temperature scale is used as the SI unit of thermodynamic temperature.

(a)  

The linear thermal expansion is proportional to the following, except _____.

• the kind of material

• the original length

• change in temperature

• density of the material

Water does not freeze at the bottom of the lakes in winter because _____.

• ice reflects heat and light

• ice is a good conductor of heat

The coefficient of volume expansion is _____ the coefficient of linear expansion of the same material.

• the same as

• a third of

• twice

• thrice

• sink

• float

• neither sink not float

The coefficient of linear expansion is _____ the coefficient of area expansion.

• equal to

• twice

• thrice

• half of