Chemistry > Structure of Atom > 2.0 Cathode Ray Discharge Tube
Structure of Atom
1.0 Introduction
2.0 Cathode Ray Discharge Tube
3.0 Thomson Model of Atom
4.0 Rutherford Model of Atom
5.0 Atomic Number and Mass Number and It's Relation
6.0 Planck's Quantum Theory
7.0 Bohr’s Atomic Model
8.0 Dual Behaviour of Matter
9.0 Heisenberg Uncertainity Principle
10.0 Photoelectric Effect
11.0 Atomic Spectra
12.0 Quantum Mechanical Model of Atom
13.0 Quantum Number
14.0 Electronic Configuration of Elements
14.1 Aufbau (or building up) Principle
14.2 Pauli’s Exclusion Principle
14.3 Hund’s Rule
14.4 Stability of Completely Filled and Half Filled Subshells
2.1 Properties of cathode rays
14.2 Pauli’s Exclusion Principle
14.3 Hund’s Rule
14.4 Stability of Completely Filled and Half Filled Subshells
- When perforated anode(having holes) is used with coating of phosphorescent material zinc sulphide behind anode, a bright spot on the coating is developed.
- Cathode ray tubes are used as television picture tubes.
- These rays travel in straight lines in absence of electrical or magnetic field. It was found experimentally that the particles are negatively charged, as it deviate from its path when subjected to electrical or magnetic field.
- Properties of ray does not depend on the type of material used in the cathode tube and type of gas used in discharge tube.
