Physics
| Front | What is the Grandcanonical ensemble? |
| Back | An arrangement of a system connected to a very large resevoir bywhich each can exchange energy and particles. |
| Front | What the sources of opacity from an object? |
| Back | bound-bound transition: Absorption and reemission of a photonIonisation (bound-free)Free-Free scatteringCompton ScatteringThompson Scattering: lower energy bound of compton scattering |
| Front | What is inviscid flow? |
| Back | A model of fluid motion where the fluid has zero viscosity |