Phase Matter with uniform properties and a fixed composition is called a phase. Types of Phase System There are two types of phase. (i) Homogeneous …
Phase and Phase System (Solution Solvent Solute) Read More »
Millikan, in 1909, determined the charge on electron by the apparatus consisting of a metallic chamber having two parts. The chamber is filled with air …
i) In order to measure the e/m value of electrons J.J Thomson in 1897 devised an instrument consisting of a discharge tube. ii) The cathode …
The protons and electrons were discovered in 1886 and their properties were completely determined till 1895. Rutherford predicted in 1920 that some kind of neutral …
As the atom was considered neutral, therefore, soon after the discovery of negatively charged particles i.e., electrons, scientists tried to discover a positively charged constituent …
Discovery & Properties of Positive Rays(Canal Rays-Protons) Read More »
To study the properties of cathode rays systematic investigations were made by W. Crooks, J.J. Thomson and J. Perrin. They established the following properties of …
