Thermal Physics Definitions

Question 1

Thermal capacity aka heat capacity

Answer 1

The energy require to raise the temperature of an object by 1 kelvin

Question 2

Specific heat capacity aka specific thermal capacity

Answer 2

Thermal energy required to raise the temperature of a unit mass of a body by 1 kelvin

Question 3

Internal energy

Answer 3

Sum of total kinetic energy and total potential energy of all molecules in a substance

Question 4

Thermal energy

Answer 4

The energy transferred between two bodies

Question 5

Specific latent heat of vaporisation

Answer 5

Convert a unit mass of liquid to vapour at a constant temperature and pressure

Question 6

Specific latent heat of fusion

Answer 6

Amount of thermal energy required to convert a unit mass of a solid into a liquid at a constant temperature

Question 7

Temperature

Answer 7

A measure of how hot a body is aka a measure of the kinetic energy of the molecules measured on a defined scale e.g. Kelvin or Celsius