8. *X-rays of wavelength 0.207 nm are scattered from NaCl. What is the angular separation between first- and second-order diffraction peaks? Assume scattering planes that are parallel to the surface.

Q: Needs Complete typed solution with 100 % accuracy.

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Q: A sedimentary rock weighs 202 N in air and 120 N when submerged in an alcohol solution with a…

A: