Spectroscopy Analysis MCQs : This section focuses on the "Spectroscopy Analysis". These Multiple Choice Questions (MCQs) should be practiced to improve the Spectroscopy Analysis skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
284.6 eV matches which of the following specific atom type?
A. Carbon
B. Oxygen
C. Nitrogen
D. Argon
Question 2
532.5 eV matches which of the following specific atom type?
A. Carbon
B. Oxygen
C. Nitrogen
D. Argon
Question 3
By studying which of the following can we determine if the surface corresponds to C-O or C=O chemical form?
A. Mass of the electron
B. Energy of the carbon peak
C. Binding energy
D. Charge of electron
Question 4
Discrete electrons cannot be observed in electron ionization of an atom due to which of the following reasons?
A. Environmental disturbances
B. Same mass
C. Same charge
D. Electron- electron interaction
Question 5
Electron spectroscopy is based on the ionization phenomenon.
A. True
B. False
Question 6
ESCA can identify elements in the periodic table above which of the following?
A. Carbon
B. Boron
C. Helium
D. Potassium
Question 7
ESCA focusses on which of the following information?
A. Mass of the electron
B. Charge of the electron
C. Binding energy of the electron
D. Mass of atoms
Question 8
ESCA gives sufficient chemical information up to a depth about ________ armstrong in metals.
A. 5-20
B. 15-40
C. 40-100
D. 100-200
Question 9
ESCA gives sufficient chemical information up to a depth about ________ armstrong in oxide.
A. 5-20
B. 15-40
C. 40-100
D. 100-200
Question 10
ESCA gives sufficient chemical information up to a depth about ________ armstrong in polymers.
A. 5-20
B. 15-40
C. 40-100
D. 100-200
Question 11
In the spectrum, two main peaks at _________ and ________ are observed.
A. 284.6, 532.5
B. 248.6, 523.5
C. 264.8, 535.2
D. 246.8, 553.2
Question 12
Ion etching techniques provides the depth profiling from the surface.
A. True
B. False
Question 13
The kinetic energy of the photoelectron energies is dependent on _________ of the atom, which makes XPS useful to identify the oxide state.
A. Mass
B. Charge
C. Chemical environment
D. Volume
Question 14
Which of the following is the detection limit of ESCA?
A. 0.1% monolayer
B. 0.5% monolayer
C. 1% monolayer
D. 2% monolayer