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Biotechnology Engineering · Q67

Analytical Tools in Biotechnology

Engineering and GATE · Biotechnology Engineering · question 67

Q67

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
Answer
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: Option A

Solution

Answer: Option A
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