The electron in a given Bohr orbit has a total energy of -1.5eV. Calculate
its kinetic energy?
Answers
Answered by
1
Answer:
Potential Energy, PE=−kZe
2
/r, whereas KE=1/2×mv
2
.
According to Bohr's Model, mv
2
/r=kZe
2
/r
2
, therefore 1/2×mv
2
=kZe
2
/2r.
KE=−PE/2.
TotalEnergy=−4.9
K.E+PotentialEnergy=TotalEnergy
K.E=4.9ev=(−totalEnergy)
P.E=2[totalEnergy]=−9.8ev
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