Questions
The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true
a
Its kinetic energy increases and its potential and total energies decrease.
b
Its kinetic energy decreases, potential energy increases and its total energy remains the same
c
Its kinetic and total energies decrease and its potential energy increases
d
Its kinetic, potential and total energies decreases
detailed solution
Correct option is A
For hydrogen and hydrogen like atomsEn=−13.6z2n2eV Un=2En=−27.2z2n2eV and Kn=En=13.6z2n2eVFrom these three relations. can see that as n decreases, Kn will increase but En and Un will decrease.Talk to our academic expert!
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