Wavelength of X-rays falling at glancing angle of 30? on a crystal with atmic spacing 2 x 10-10 for the fist order diffraction is________________?
Options:
- A. 4 x 10-10 m
- B. 2 x 10-10 m
- C. 0.02
- D. 20
View Answer
B. 2 x 10-10 m
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