Question: First-order Bragg diffraction is observed at 23.8 relative to the crystal surface, with spacing between atoms of 0.24 nm. (a) At what angle will second

First-order Bragg diffraction is observed at 23.8° relative to the crystal surface, with spacing between atoms of 0.24 nm.
(a) At what angle will second order be observed?
(b) What is the wavelength of the X-rays?

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