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Questions and Answers
What is the condition for constructive interference between rays AOA' and BPB'?
What is the condition for constructive interference between rays AOA' and BPB'?
- The path difference is λ/2
- The path difference is λ or a multiple of λ (correct)
- The path difference is 2d tanθ
- The path difference is 2d cosθ
What is the distance between consecutive crystal planes?
What is the distance between consecutive crystal planes?
- λ
- 2d
- d (correct)
- λ/2
What is the purpose of diffraction techniques?
What is the purpose of diffraction techniques?
- To investigate the surface structure of materials
- To understand the structure of bulk materials and nanomaterials (correct)
- To study the electrical conductivity of materials
- To analyze the optical properties of materials
What is required for diffraction analysis to be effective?
What is required for diffraction analysis to be effective?
What is the minimum size of nanoparticles that can be investigated using diffraction techniques?
What is the minimum size of nanoparticles that can be investigated using diffraction techniques?
What type of particles can be used for diffraction techniques?
What type of particles can be used for diffraction techniques?
What is the range of wavelengths of X-rays?
What is the range of wavelengths of X-rays?
What is the range of distances between atoms in a crystal?
What is the range of distances between atoms in a crystal?
Who observed well-defined diffraction spots on a photographic plate?
Who observed well-defined diffraction spots on a photographic plate?
What is the name of the method used to study crystals, which involves replacing a photographic plate with an X-ray detector?
What is the name of the method used to study crystals, which involves replacing a photographic plate with an X-ray detector?
Who offered a simple geometrical explanation of the observed diffraction pattern?
Who offered a simple geometrical explanation of the observed diffraction pattern?
What is the name of the law that describes the diffraction pattern of X-rays?
What is the name of the law that describes the diffraction pattern of X-rays?
What is the primary reason we are able to see objects around us?
What is the primary reason we are able to see objects around us?
Which type of microscope is used to study the surface topography of materials?
Which type of microscope is used to study the surface topography of materials?
What is the purpose of Bragg's Law of Diffraction?
What is the purpose of Bragg's Law of Diffraction?
Which technique is used to measure the particle size distribution of nanoparticles?
Which technique is used to measure the particle size distribution of nanoparticles?
What is the primary application of Vibrating Sample Magnetometer (VSM)?
What is the primary application of Vibrating Sample Magnetometer (VSM)?
Which technique is used to measure the mass change of a material as a function of temperature?
Which technique is used to measure the mass change of a material as a function of temperature?