In a cathode ray tube what is the function of anode

1. In a cathode ray tube what is the function of anode?
2. State the energy conversion taking place in a cathode ray tube.
3. Write one use of cathode ray tube

Answer

1. Anode accelerates electrons and collimates into a fine beam.
2. Electric energy is converted into heat and then into light.
3. TV picture tube; check waveform of varying electric field.