Question

A Po-222 atom (polonium-222) has a nucleus with 84 protons and an atomic mặss of 222.024144 u. What is the nuclear binding en
What is the DeBroglie wavelength of an electron with a kinetic energy of 50,000 eV? 6.59E-12 m 02.12E-12 m O 4.42E-5 m O 8.00
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Answer #1

h Aus de been d= becogile woollagen ſamaks d= 6.626X1034 2x9.1% 10-31 x 50000 x 1,6X1819 ~12m s.488 lo do 5.48 € 10-12 m si c

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