rt answer electrons are ejected from a metallic surface with speeds ra
The isotope plutonium-239 (239.052 163 u) absorbed a neutron and undergoes fission. It produces the isotopescesium-135 (134.905 977 u) and yttrium-103 (102.936 733 u), and some additional neutrons (n = 1.008 665 u). a.Express this reaction as a balanced equation. b.How much energy is released in the reaction? Express your answer in MeV. rt Answer. Electrons are ejected from a metallic surface with speeds ranging up to 4.60×10° m/s when light with awavelength of1 = 625 nm is used. a. What is the work function of the surface?14 . What is the cutoff frequency for this surface?
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