

MCQOPTIONS
Saved Bookmarks
1. |
On what factors do the intensity of secondary electrons depends upon? |
A. | shape of the irradiated object |
B. | chemical composition of the irradiated object |
C. | number of electrons ejected |
D. | size and chemical composition of the irradiated object, number of electrons ejected and on the number of electrons reabsorbed by surrounding |
Answer» E. | |