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4. a) The Bragg angle for reflection from the (110) planes in bcc iron is 22° for an x-ray wavelength of ¿ = 1.54 Å. Compute the cube edge for iron. b) What is the Bragg angle for reflection from the (111) planes? c) Calculate the density of bcc iron. The atomic weight of Fe is 55.8.

4. a) The Bragg angle for reflection from the (110) planes in bcc iron is 22° for an x-ray wavelength of ¿ = 1.54 Å. Compute the cube edge for iron. b) What is the Bragg angle for reflection from the (111) planes? c) Calculate the density of bcc iron. The atomic weight of Fe is 55.8.

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27.0, compute the value of Avogadro's number. 4. a) The Bragg angle for reflection from the (110) planes in bcc iron is 22° for an x-ray wavelength of ¿ = 1.54 Å. Compute the cube edge for iron. b) What is the Bragg angle for reflection from the (111) planes? c) Calculate the density of bcc iron. The atomic weight of Fe is 55.8. 5. Establish the validity of (2,11) for an arbitrary origin.
Transcribed Image Text:27.0, compute the value of Avogadro's number. 4. a) The Bragg angle for reflection from the (110) planes in bcc iron is 22° for an x-ray wavelength of ¿ = 1.54 Å. Compute the cube edge for iron. b) What is the Bragg angle for reflection from the (111) planes? c) Calculate the density of bcc iron. The atomic weight of Fe is 55.8. 5. Establish the validity of (2,11) for an arbitrary origin.
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