Describe the properties of cathode and anode rays.
Cathode rays
1. Cathode rays travel in straight lines.
2. Cathode rays exert mechanical force on the objects they encounter and strike.
3. Cathode rays produce fluorescence.
4. When cathode rays strike a solid object, specially a metal of high atomic weight and high melting point X-rays are emitted from the objects.
5. Cathode rays can ionize the gases through which they are passed.
6. Cathode rays can penetrate through thin foils of metal.
7. Cathode rays are known to have velocity ranging 1/30th to 1/10th of velocity of light.
Anode rays
1. Anode rays travel in straight lines.
2. Anode rays consists of material particles.
3. Under the influence of electric field anode rays are deflected towards the negative plate showing that they carry a net positive charge.
4. Charge to mass ratio of particles in anode rays depend on the nature of the gas taken in the discharge tube.