Cesium metal is frequently used in photoelectric cells because the amount of energy necessary to eject electrons from a cesium s
urface is relatively small-only 206.5 kJ/mol. Part A What wavelength of light (in nanometers) does this correspond to?
1 answer:
Answer:
Wavelength of light in (nm) = 579 nm
Explanation:
At first you find out the amount of energy needed to just eject one electron. This is given by 
this energy is given in question in kj/mole. This
is the work function of cesium for each electron is equal to the planc'k einstein equation.
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