Edexcel A Level Physics:复习笔记9.11 Stefan-Boltzmann Law
Stefan-Boltzmann Law An objects luminosity depends on two factors: Its surface temperature Its surface area The relationship between these is known as the Stefan-Boltzmann Law, which states:...
Edexcel A Level Physics:复习笔记9.10 Black Body Radiation
Black Body Radiation Black body radiation is the name given to the thermal radiation emitted by all bodies (objects) All objects, no matter what temperature, emit black body radiation in the form o...
Edexcel A Level Physics:复习笔记9.9 Average Molecular Kinetic Energy
Average Molecular Kinetic Energy An important property of molecules in a gas is their average kinetic energy This can be deduced from the ideal gas equations relating pressure, volume, temperature ...
Edexcel A Level Physics:复习笔记9.8 Core Practical 14: Investigating Gas Pressure & Volume
Investigating Gas Pressure and Volume Boyle's Law relates pressure and volume at constant temperature This investigation is one valid example of how this required practical might be tackled, others...
Edexcel A Level Physics:复习笔记9.7 Ideal Gas Equation
Ideal Gas Equation When calculating for gases, assume that the gas is an ideal gas The three gas laws (explained below) can be combined to create one equation in terms of pressure, volume, temperat...
Edexcel A Level Physics:复习笔记9.6 Kinetic Theory of Gases Equation
Kinetic Theory of Gases Equation Gases consist of atoms or molecules randomly moving around at high speeds The kinetic theory of gases models the thermodynamic behaviour of gases by linking the mic...
Edexcel A Level Physics:复习笔记9.5 Temperature & Absolute Zero
Absolute Zero On the thermodynamic (Kelvin) temperature scale, absolute zero is defined as: The lowest temperature possible. Equal to 0 K or -273.15 °C It is not possible to have a temperature lowe...
Edexcel A Level Physics:复习笔记9.4 Internal Energy
Internal Energy Energy can be classified into two forms: kinetic or potential energy The molecules of all substances contain both kinetic and potential energies Kinetic energy is due to the speed o...
Edexcel A Level Physics:复习笔记9.3 Core Practical 13: Investigating Specific Latent Heat
Core Practical 13: Determine the specific latent heat of a phase change Aims of the Experiment To determine the specific latent heat of ice Variables: Independent variable = Energy of the heater (J...
