For a doubly-ionised Li atom, choose the incorrect option.
A
Angular momentum of an electron in 
orbit is 
.
orbit is . B
Energy of electron in 
excited state is -13.6 eV .
excited state is -13.6 eV . C
Speed of electron in 
orbit is 
, where c is the speed of light.
orbit is , where c is the speed of light. D
Kinetic energy of electron is 
excited state is double of the magnitude of the potential energy.
excited state is double of the magnitude of the potential energy.
Text Solution
Verified by ExpertsThe correct answer is:
D
Angular momentum 
Energy of electron 
Velocity of 
Kinetic energy of electron 
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