## Rydberg equation

Jacob Motawakel
Posts: 103
Joined: Wed Sep 18, 2019 12:20 am
Been upvoted: 1 time

### Rydberg equation

Why are we not allowed to use the Rydberg equation frequency = R( 1/n1^2 - 1/n2^2)?

FDeCastro_1B
Posts: 54
Joined: Thu Jul 25, 2019 12:16 am

### Re: Rydberg equation

I don't think it's that we're not allowed to. Just that Lavelle would prefer that we use -hR/n1^2.

Jacob Puchalski 1G
Posts: 97
Joined: Fri Aug 09, 2019 12:16 am

### Re: Rydberg equation

Why is that preferred?

Deena Doan 2F
Posts: 100
Joined: Sat Aug 17, 2019 12:17 am

### Re: Rydberg equation

It's preferred because it is easier to understand conceptually with the way he taught us in class.

Vanessa Chuang 4F
Posts: 51
Joined: Sat Aug 24, 2019 12:18 am

### Re: Rydberg equation

The Rydberg equation doesn't show different energy levels and how to conceptually get from one level to another one. Thus, it's easy to either get mixed up with emission vs absorption or to just completely forget to concepts behind the formula.

Jialun Chen 4F
Posts: 108
Joined: Sat Sep 07, 2019 12:16 am

### Re: Rydberg equation

You can use that equation, but the energy version that's given by Dr. Lavelle explains the concept better for me.

Jainam Shah 4I
Posts: 130
Joined: Fri Aug 30, 2019 12:16 am

### Re: Rydberg equation

The equation you stated is a derivation of -hr/nfinal^2 - (-hr/ninitial^2). If you factor out the -hr you should get an equation similar to what you posted. As the others stated the equation we learned in class is easier to see conceptually.

Shutong Hou_1F
Posts: 117
Joined: Sat Sep 14, 2019 12:17 am

### Re: Rydberg equation

We are actually totally allowed to use the Rydberg equation, whereas using the (final - initial) form of the the Rydberg equation could give us a better understanding of the concept and therefore what we are doing. And I believe that using the form of equation recommended by professor Lavelle eliminates the probability of confusing the final state with the initial state.

Jialun Chen 4F
Posts: 108
Joined: Sat Sep 07, 2019 12:16 am

### Re: Rydberg equation

You're allowed to use both, yet it depends on which one explains the concept better for you.

905416023
Posts: 54
Joined: Thu Jul 25, 2019 12:17 am

### Re: Rydberg equation

I think we're not allowed to because it doesn't fully show out the concept. This class is very conceptual, therefore the whole concept of each problem is expected to be shown in our work.