Question

In: Physics

1.5 An x-ray spectrum is obtained when a molybdenum target is bombarded with high energy electrons...

1.5 An x-ray spectrum is obtained when a molybdenum target is bombarded with high energy electrons accelerated through a certain potential. The spectrum consists of two characteristic peaks, superimposed on a broad continuous range of wavelengths.

i) Give the name of the broad part of spectrum and explain its origin

ii) The peaks in the x-ray spectrum for molybdenum correspond to K, series transition of wavelengths of 0.0632nm and 0.0709nm. If the K-shell ionization energy is 20keV, find the ionisation energies of the L and M shells. Draw a diagram of the transitions to include Kalpha and Kbeta

Solutions

Expert Solution


Related Solutions

When a certain element is bombarded with high-energy electrons, Kα X-rays that have an energy of...
When a certain element is bombarded with high-energy electrons, Kα X-rays that have an energy of 7436 eV are emitted. Determine the atomic number Z of the element. Use the Bohr model as necessary.
a) Calculate the wavelength of x ray emitted when 35-keV electron collies with on molybdenum target....
a) Calculate the wavelength of x ray emitted when 35-keV electron collies with on molybdenum target. b) A single electron orbiting a hydrogen nucleus moves from energy level E4 to E2. Calculate the energy in joules of the photon emitted due to this energy change. c)As an electron orbits the nucleus, it can be thought of as a standing wave. Calculate the frequency of the wave if the electron is in the 4th energy level of hydrogen atom
What are the types of radiation that form the x-ray energy spectrum?
What are the types of radiation that form the x-ray energy spectrum?
X-ray filter An X-ray beam from a tube with molybdenum anode (?=42) at an acceleration voltage...
X-ray filter An X-ray beam from a tube with molybdenum anode (?=42) at an acceleration voltage of ?=60 kV contains, besides the braking continuum, a distinct ?? peak at 0.71 Å and a smaller ?? peak at 0.63 Å. To filter out the ?? line for diffraction experiments, a zirconium filter (?=40) can be used. Justify this with the help of Mosley's law and draw the X-ray spectrum of molybdenum superimposed with the absorption effect of zirconium. Is the main...
Molybdenum is frequently used as a target (anode) material to generate x-rays with characteristic wavelengths of...
Molybdenum is frequently used as a target (anode) material to generate x-rays with characteristic wavelengths of Kα = 0.70930 Å, Kβ = 0.63229 Å. a. Sketch a schematic diagram of the molybdenum x-ray emission spectrum. Identify all the main features and briefly explain their significance. b. If the voltage (potential difference) accelerating electrons to the molybdenum target is increased, does this change the characteristic x-ray emission lines? Justify your answer.
The optimal x-ray energy for producing high contrast images is approximately in the range 20-40 keV....
The optimal x-ray energy for producing high contrast images is approximately in the range 20-40 keV. In terms of what we know about how x-rays interact with atoms, discuss the main mechanisms that determine this optimal range and what happens to the images for energies outside this range.?
1. In an x-ray tube, electrons are accelerated in a uniform electric field and then strike...
1. In an x-ray tube, electrons are accelerated in a uniform electric field and then strike a metal target. Suppose an electron starting from rest is accelerated in a uniform electric field directed horizontally and having a magnitude of 2500N/C . The electric field covers a region of space 12.0cm  wide. Part A What is the speed of the electron when it strikes the target? Express your answer with the appropriate units. Part B How far does it fall under the...
In 1930 the American physicist Ernest Lawrence designed the first cyclotron in Berkeley, California. In 1937 Lawrence bombarded a molybdenum target with deuterium ions, producing for the first time an element not found in nature.
In 1930 the American physicist Ernest Lawrence designed the first cyclotron in Berkeley, California. In 1937 Lawrence bombarded a molybdenum target with deuterium ions, producing for the first time an element not found in nature. What was this element? Starting with molybdenum-96 as your reactant, write a nuclear equation to represent this process.  
he K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm,...
he K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, and 0.021 5 nm. The K-shell ionization energy is 69.5 keV. (a) Determine the ionization energies of the L, M, and N shells. L shell ___keV M shell ___keV N shell ___keV
Find the energy spectrum of a particle in the infinite square well, with potential U(x) →...
Find the energy spectrum of a particle in the infinite square well, with potential U(x) → ∞ for |x| > L and U(x) = αδ(x) for |x| < L. Demonstrate that in the limit α ≫ hbar^2/mL, the low energy part of the spectrum consists of a set of closely-positioned pairs of energy levels for α > 0. What is the structure of energy spectrum for α < 0?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT