X-Ray Fluorescent Spectrometer Online Exam Quiz
X-Ray Fluorescent Spectrometer GK Quiz. Question and Answers related to X-Ray Fluorescent Spectrometer. MCQ (Multiple Choice Questions with answers about X-Ray Fluorescent Spectrometer
Energy dispersive system uses which of the following detectors?
Options
A : Optical detector
B : Semiconductor detector
C : Thermistor
D : Bolometer
Given below is the diagram of energy dispersive system. Identify the unmarked component.^
Options
A : Lens
B : Specimen
C : Sample holder
D : Energy analyser
In curved crystal arrangement, angular velocity of the crystal is twice that of the detector.
Options
A : TRUE
B : FALSE
C : -
D : -
In Energy dispersive system, the energy level and the number of pulses is related to which of the following?
Options
A : Amount of sample, element involved
B : Element involved, concentration of the element
C : Concentration of the element, element involved
D : Number of atoms, amount of sample
The analysis of X-ray beam by diffraction is similar to spectrum analysis carried out with a diffraction grating.
Options
A : TRUE
B : FALSE
C : -
D : -
The crystal used as X-ray grating has ___ dimensional lattice arrays.
Options
A : One
B : Two
C : Three
D : Four
Which of the following can be done to avoid loss of intensities of X-rays due to the absorption of long wavelength X-rays?
Options
A : Apparatus must be contained in a chamber
B : Air in the chamber must be replaced by helium
C : Inert gas atmosphere must be provided
D : Proper slits must be used
Which of the following components make use of a thin metal foil to isolate a nearly mono-energetic excitation beam?
Options
A : Transmission-anode X-ray tube
B : Secondary fluorescence target
C : Slit
D : Filters
Which of the following is the disadvantage of silicon semiconductor detector?
Options
A : Low stable
B : Can be operated only at low temperatures
C : Have low count-rate
D : Low resolution
Absorption Instrumentation and Block Diagram Representation more Online Exam Quiz
Total Reflection X-Ray Fluorescence Spectrometer