Cathode Rays Cathode rays are the stream of fast moving electrons. These rays are produced in a discharge tube at a pressure below 0.01 rom of mercury. Properties of Cathode Rays Cathode rays are...
Seriously,It's called the tripple point.The temperature and pressure at which a substance can exist in equilibrium in the liquid, solid, and gaseous states.The triple point of pure water is at 0.01°C...