1- When the electron is supplied with an energy greater than the work function of the metal, the energy difference is converted into Electron liberated from the metal surface energy
1- When the electron is supplied with an energy greater than the work function of the metal, the energy difference is converted into Electron liberated from the metal surface energy
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Transcribed Image Text:b/ Fill in the following blanks
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detail for the blanks that need
mathematical calculations:
1- When the electron is supplied with an energy greater than the
work function of the metal, the energy difference is converted into
Electron liberated from the metal surface
energy
2- The wavelength of the photon emitted as a result of the transition
of the electron from the fourth level to the third level in the unit A
is_
3- According to de Broglie's hypothesis, it is possible to apply
laws.
Lon the electron
4- The secondary emission of metal surface electrons depends on
5- If the probability that an electron occupies an energy level
E at a temperature of 1000C is 0.002, then if the value of
the Fermi level is Ef = 4 ev, then the value of the energy level
occupied by the electron E is in ev units_
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