A photon having 40 keV scatters from a free electron at rest. What is the maximum energy that the electron can obtain? ( )
5.41 eV
举一反三
- In a Compton scattering experiment, a photon of energy E is scattered from an electron at rest. After the scattering event occurs, which of the following statements is true? A: The frequency of the photon is greater than E/h. B: The energy of the photon is less than E. C: The wavelength of the photon is less than hc/E. D: The momentum of the photon increases.
- A photon of wavelength 2.0 nm Compton-scatters from an electron at an angle of 90°. What is the modified wavelength? ( )
- Ionic bonding is formed by ( ) A: valence electron transfer B: shared electron pair C: free electron and cation D: attraction of the electric dipoles
- The maximum value of total angular momentum for electron with l=4 ( )
- CO can cause cellular respiratory arrest, the mechanism is A: It’s an uncoupler. B: Most of the energy from oxidizing substances is released as heat. C: Block proton reflux D: Block electron transfer between Cytb and Cytc1 E: Block electron transfer between Cytaa3 and O2
内容
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In hydrogen atom the angular momentum of the electron in the lowest energy state ( )
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In the periodic table of elements, the number of elements in each period is exactly equal to the maximum number of electrons in the corresponding outermost electron layer.
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The electron microscope can provide vastly greater resolution than the light microscope.
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The electron transport chain is made up of four segments (Complexes I-IV with O2 as the final electron acceptor). Which statement best describes the electron transport chain
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What is the essence of cathode rays? A: proton B: neutron C: electron D: atom