Answer to Question #133588 in Atomic and Nuclear Physics for Kofo Adeogun

Question

-State the Bragg’s law mathematically.
-X-rays are incident normally on a crystal lattice constant 0.6 nm. The first order reflection occurs at an angle 300. What is the wavelength of X-rays used?
-Lists four properties of X-rays
-What is an electron volt?
-A metal has a work function 3.0 eV illuminated by light of wavelength 0.6 nm. Calculate the:
threshold frequency
maximum kinetic energy of photo electrons in electron volt
(h = 6.63 x 10-34 Js, c = 3.0 x 108 m/s, e = 1.6 x 10-19 C)
-What is the difference between Compton effect and photoelectric effect?
-The radius of our Sun is 6.96 x 108 m, and its total power output is 3.85 x 1026 W. Assuming the Sun’s surface emits as a black body, calculate:
-its surface temperature
-the maximum wavelength of light from the Sun. ( = Wm-2K-4, c = mK)
-What does Einstein’s special theory of relativity state about the laws of Physics?
-What are radioisotopes?
- State 2 differences between nuclear fission and nuclear fusion.

Answer 1

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