Correct Answer:- Option-D

Question42:-Energy Dispersive X-ray Spectroscopy is used to find out the elemental
composition of a specimen by probing characteristic X-rays. The EDX spectrum is a
plot of

A:-Emitted X-ray intensity against its energy
B:-Emitted X-ray frequency against its amplitude
C:-Absorbed X-ray wavelength against its energy
D:-Emitted X-ray intensity against its wavelength
Correct Answer:- Option-A

Question43:-Which of the following is a scanning probe characterization method?
A:-Transmission Electron Microscopy
B:-Scanning Electron Microscopy
C:-Atomic Force Microscopy
D:-Field Emission Microscopy
Correct Answer:- Option-C

Question44:-Selected area electron diffraction (SAED) is a crystallographic
experimental method, which is associated with

A:-SEM

B:-AFM

C:-STM

D:-TEM

Correct Answer:- Option-D

Question45:-In the X-ray diffraction pattern of body-centered cubic lattice

A:-Diffraction lines for which (:+«+:) is an odd integer are present
B:-Diffraction lines for which (1-೫೩?) is an odd integer are absent

C:-Diffraction lines are observed only from planes for which h, k and/ are
either all odd or all even

D:-Equally spaced six lines followed by an extinction are present.
Correct Answer:- Option-B

Question46:-Noble metal nanoparticles are generally characterized by localized
surface plasmon resonance (LSPR). Which of the following spectroscopic method is
useful to detect various factors that affect the LSPR?

A:-IR spectroscopy

B:-X-ray fluorescence spectroscopy
C:-Raman spectroscopy

D:-UV-Visible absorbance spectroscopy
Correct Answer:- Option-D

Question47:-Which of the following statement is incorrect about scanning tunneling