Metallurgical Engineering > GATE 2019 > X-ray Diffraction
A FCC crystal with a lattice parameter of 0.3615 nm is used to measure the wavelength of monochromatic X-rays. The Bragg angle (θ) for the reflection from (111) planes is 21.68o. The wavelength of X-rays (in nm, rounded off to three decimal places) is _______.
Correct : 0.154
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