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Questions and Answers
What is the primary purpose of XRD technique?
What is the primary purpose of XRD technique?
- Identify unknown organic compounds
- Detect defects in biological molecules
- Measure film thickness
- Determine the crystallographic structure of a material (correct)
Which type of radiation is used in XRD technique?
Which type of radiation is used in XRD technique?
- X-rays (correct)
- Gamma rays
- Ultraviolet rays
- Infrared rays
What does XRD measure to determine the crystallographic structure of a material?
What does XRD measure to determine the crystallographic structure of a material?
- Wavelength of X-rays
- Intensity and scattering angles of visible light
- Color changes in the material
- Intensity and scattering angles of X-rays (correct)
Which of the following is NOT a structural property that can be determined using XRD?
Which of the following is NOT a structural property that can be determined using XRD?
In what field is XRD widely used for identifying unknown crystalline materials?
In what field is XRD widely used for identifying unknown crystalline materials?
What role does XRD play in studying biological molecules?
What role does XRD play in studying biological molecules?
What is the relationship between incident angle and diffracted angle in a typical XRD instrument?
What is the relationship between incident angle and diffracted angle in a typical XRD instrument?
Which component of a XRD instrument is responsible for holding and moving the sample?
Which component of a XRD instrument is responsible for holding and moving the sample?
What causes constructive interference in waves?
What causes constructive interference in waves?
What type of interference results in reduced amplitude of the resultant wave?
What type of interference results in reduced amplitude of the resultant wave?
What is the role of incident-beam optics in a XRD instrument?
What is the role of incident-beam optics in a XRD instrument?
Which phase of SiO2 produces a broad pattern in XRD?
Which phase of SiO2 produces a broad pattern in XRD?
What is the primary use of the Scherrer equation?
What is the primary use of the Scherrer equation?
What does the shape factor (K) in the Scherrer equation represent?
What does the shape factor (K) in the Scherrer equation represent?
Which factor does not contribute to the calculation of the average crystallite size using the Scherrer equation?
Which factor does not contribute to the calculation of the average crystallite size using the Scherrer equation?
According to the passage, what creates broadening of diffraction peaks in XRD patterns?
According to the passage, what creates broadening of diffraction peaks in XRD patterns?
What is the typical value of the shape factor (K) in the Scherrer equation?
What is the typical value of the shape factor (K) in the Scherrer equation?
What does β represent in the Scherrer equation?
What does β represent in the Scherrer equation?
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