Question

Surface is usually more than _____ atomic layer deep and is a region of ________ atomic potentials.

(a) One, uniform

(b) One, non-uniform

(c) Two, uniform

(d) Two, non-uniform

I had been asked this question during an internship interview.

This interesting question is from Surface Spectroscopic Techniques in section Electron and Ion Spectrometers of Analytical Instrumentation

Answer 1

Correct option is (b) One, non-uniform

Explanation: Surface is more than one atomic layer deep and is a region of non-uniform atomic potentials. The outermost layer of atoms is called a surface.