Questions
The kinetic energy of the electron in an orbit of radius r in hydrogen atom (in C.G.S system)is (e = electronic charge)
a
e2r2
b
e22r
c
e2r
d
e22r2
detailed solution
Correct option is B
Potential energy of electron in nth orbit of radius r inH-atom U=−e2rin CGS∴K.E.=12P.E.⇒K=e22rTalk to our academic expert!
Similar Questions
In a H atom, let K, n be the kinetic energy of the electron and principal quantum number, respectively. Now, relate K, n according to Bohr's model of H atom:
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