Ground state energy of hydrogen atom is 
. Match the following two columns.
Column I | Column II | ||
(A) | Electrostatic potential energy in ground state of hydrogen atom | (I) |
|
(B) | Total energy in first excited state of ion | (II) | |
(C) | Kinetic energy of electron in first excited state of ion | (III) | |
(D) | Kinetic energy of electron in ground state of hydrogen atom | (IV) |
Choose the correct answer from the options given below.
Text Solution
Verified by ExpertsD
Ground state energy = Total energy of atom
Hence, total energy of hydrogen atom is 
. Also potential energy is 2 times of total energy i.e. 
of hydrogen 
Since 
⇒ Total energy of first excited state of 
is 
.
Kinetic energy is half of -ve value of total energy i.e. 
Kinetic energy of hydrogen atom will be 
Hence, -(III), -(I), -(II), -(IV).
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