Which of the following options explains the process of ‘sputtering’ that occurs

MCQ Practice

Which of the following options explains the process of 'sputtering' that occurs in Hollow Cathode Lamp?

Subject: Biotechnology EngineeringTopic: Analytical Tools In Biotechnology

Positive ions collide with cathode surface and metal atoms from cathode are ejected

Negative ions collide with cathode surface and metal atoms from anode are ejected

Positive ions collide with negative ions and metal atoms from anode are ejected

Positive ions collide with negative ions and photons are ejected

Correct Answer: A