Questions
In Bohr model of hydrogen atom, magnitude of force acting on the electron in the ground state of hydrogen atom is F. Then the magnitude of force acting on the electron of He+ ion in the second excited state is
a
4F27
b
8F81
c
16F9
d
8F27
detailed solution
Correct option is B
In the nth energy state in a hydrogen like ion, Vn∝zn and rn∝n2z∴ Fn−αVn2rn⇒Fn∝Zn2n2/z⇒Fn∝z3n4∴ F1F=Z1Z3×nn14=213.134=881⇒ F1=8F81Talk to our academic expert!
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