1. Low pressure
2. High temperature
3. Evacuated tube
4. High Voltage
It was observed that cathode ray moved from cathode to anode. This phenomena was due to movement of electron which was ultime conclusion.
Characters of electron
1. They are negatively charged particles.
2. They move in straight path in high speed.
3. Gets influenced by magnetic field.
4. Produces X-ray with heavy metals.
5. Possess Kinetic energy.