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Problem 39 Easy Difficulty

How much energy is required to ionize a hydrogen atom initially in the $n=2$ state?

Answer

$$\Delta E=3.4 \mathrm{eV}$$

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Top Physics 103 Educators
Andy C.

University of Michigan - Ann Arbor

LB
Liev B.

Numerade Educator

Zachary M.

Hope College

Aspen F.

University of Sheffield

Video Transcript

for this exercise have a hydrogen atom initially at the second energy level and equals two. And we have to calculate what is the energy necessary in order to ah, ionized? Is that Adam? So in order to do that, let's calculate what is the energy of the second energy level that will be minus 13.6. That's the energy of the ground state over two square, which is four. And I've been votes. This is minus 3.4 eloquent votes and the in order to ionized the Adam, the total energy of the Adam has to be at least zero. So the minimum energy you have to give the Adam to join eyes it, it's gonna be 3.4 electoral votes so that when you some 3.4 with minus really went for, you have zero

Universidade de Sao Paulo
Top Physics 103 Educators
Andy C.

University of Michigan - Ann Arbor

LB
Liev B.

Numerade Educator

Zachary M.

Hope College

Aspen F.

University of Sheffield