Q
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________________?
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A
A. 4 x 10-10 m
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B
B. 2 x 10-10 m
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C
C. 0.02Γ10-10m
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D
D. 20Γ10-10m
Correct Answer:
B. B. 2 x 10-10 m
