An electron of kinetic energy

  1. Calculate the kinetic energy of the photoelectron emitted by a metal (threshold energy is 1.50 x 10^-19J) exposed to light of
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  2. An X-ray photon of wavelength 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 935 eV.What is the
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  3. A certain moving electron has a kinetic energyof 1.01 × 10−19 J. Calculate the speed necessary for the electron to have this
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  4. In the ground state of the H-atom the electron has a total energy of -13.6 eV. What are (a) its kinetic energy, and (b) its
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  5. an electron in the second energy level absorbs a photon of energy 6 ev what's the speed of the ejected electron?I have tried to
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  6. . In an electron microscope the electrons generate theimage. For one of the scanning electron microscopes in our Central
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  7. In an electron microscope the electrons generate theimage. For one of the scanning electron microscopes in our Central
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  8. An electron in an x-ray machine is accelerated through a potential difference of 1x10^4 V before it hits the target. What is the
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    2. mike asked by mike
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  9. A certain moving electron has a kinetic energyof 0.991 × 10−19 J. Calculate the speed necessary for the electron to have this
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    2. kc asked by kc
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  10. An X-ray photon of wavelength 0.948nm strikes a surface. The emitted electron has a kinetic energy of 979 eV.What is the binding
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    2. soso asked by soso
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