Atomic StructureHard
Question
The angular momentum of electron in Bohr′s orbit is J. What will be the potential energy of that Bohr′s orbit :-
Options
A.
B.
C.
D.
Solution
⇒ we know PE = - 2 × K.E.
Now J = m v r
or Jv = m v2 r
or
mv2 = 2 × 
mv2 = 2 × KE = - PE
so, PE = -
Now J = m v r
or Jv = m v2 r
or
mv2 = 2 × mv2 = 2 × KE = - PEso, PE = -
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