Which of the following is the most common instrument for photographic recording of diffraction patterns?
A. Debye-Scherrer powder camera
B. Gamma camera
C. Geiger tube
D. Scintillation counter
Answer:A
Which of the following is the most common instrument for photographic recording of diffraction patterns?
A. Debye-Scherrer powder camera B. Gamma camera C. Geiger tube D. Scintillation counter
Explanation: Diffracted x-ray beam can be detected photographically or by using scintillation counter or Geiger tube. Debye-Scherrer powder camera is the most common instrument for photographic recording of diffraction patterns.