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A specimen of tantalum (Ta) is exposed to a beam of monochromatic X-rays of wavelength set by the K line of cupper (Cu), K =
A specimen of tantalum (Ta) is exposed to a beam of monochromatic X-rays of wavelength set by the K line of cupper (Cu), K = 1.54 = 1.54 x 10-10 m. Calculate the value of the smallest Bragg angle, hkl, at which you can expect to observe reflections from the Ta specimen. Ta adopts a body-centred cubic, BCC, structure with lattice constant a = 3.31 = 3.31 x 10-10 m.
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