In the x-ray chemical analysis of the stainless-steel specimen in Figure 15.11, the Cr K? line with a wavelength of 0.2291 nm occurs at 99 degrees. What is the interplanar spacing of the crystal used in this wavelength dispersion experiment?
What will be an ideal response?
You might also like to view...
The free-fall acceleration on Planet A is one-sixth what it is on Planet B, and the radius of the Planet A is one-fourth that of Planet B. The mass of Planet A is what fraction of the mass of Planet B?
A) 1/6 B) 1/16 C) 1/24 D) 1/96 E) 1/12
Pitch corresponds to
1) frequency, 2) noise, 3) loudness, whereas amplitude corresponds to 4) frequency. 5) noise. 6) loudness.
Brian is working on a project that involves astronomical calculations. The numbers involved in the calculations are very large, and the calculations require him to write too many zeros. Which of the following methods should Brian use to express the numbers without writing a great many zeros?
A) Theoretical notation B) The octal numeral system C) The binary number system D) Scientific notation
A metal surface is illuminated with blue light and electrons are ejected at a given rate each with a certain amount of energy. If the intensity of the blue light is increased, electrons are ejected
A) at the same rate, but with more energy per electron. B) at the same rate, but with less energy per electron. C) at an increased rate with no change in energy per electron. D) at a reduced rate with no change in energy per electron.