Questions
The electric potential between a proton and an electron is given by , where is a constant. Assuming Bohr's model to be applicable, write the variation of ,
n being the principal quantum number
detailed solution
Correct option is A
Potential energy U=eV=eV0lnrr0 Force F=−dUdr=eV0rr0 . Therefore the force will provide the necessary centripetal force. Hence, mv2r=eV0rr0 ⇒v=eV0mr0………(i)and mvr=nh2π………(ii) From equations (i) and (ii), meV0mr0⋅r=nh2π ⇒ r=nh2πr0meV0 ⇒ rn∝nTalk to our academic expert!
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