in a hydrogen atom if the energy of electron in the ground state is -x electron volt then that in the second excited state of helium is
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the second exited state of helium is -2x
Shivam7570:
but in answersheet answer is -4/9x ev.
well you will try to solve this so thank you.
my answer is -4/9x ev because for excited state of hydrogen is -x for helium is -2x but the question is 2nd excited state so -(2²x/3²)
hence -4x/9
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