Features of Beam penetration method

Question

Write down the features of Beam penetration method. Briefly explain it.

Answer 1

The features of Beam penetration method are as follows:

a) Display the color pictures.

b) It mainly consists of two layers of phosphors, generally red and green.

c) The beam of slow electrons stimulates the outer red layer.

d) Quick electron penetrates via the red layer and excites the internal green layer.

e) The intermediate beam speeds, combinations of green and red light.