MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
Which of the following options explains the process of ‘sputtering’ that occurs in Hollow Cathode Lamp? |
| A. | Positive ions collide with cathode surface and metal atoms from cathode are ejected |
| B. | Negative ions collide with cathode surface and metal atoms from anode are ejected |
| C. | Positive ions collide with negative ions and metal atoms from anode are ejected |
| D. | Positive ions collide with negative ions and photons are ejected |
| Answer» B. Negative ions collide with cathode surface and metal atoms from anode are ejected | |