## 6th Edition Ch.1 #57

$c=\lambda v$

Catly Do 2E
Posts: 64
Joined: Fri Sep 28, 2018 12:24 am

### 6th Edition Ch.1 #57

Can someone explain how to do Ch.1 6th edition 57?

Matthew D 3F
Posts: 14
Joined: Fri Apr 06, 2018 11:02 am

### Re: 6th Edition Ch.1 #57

The Balmer series shows that n1 = 2. The next line is the fifth line, so n2 should be 7. In order to find the frequency, use the Rydberg equation, which is R*((1/(n1)^2)-(1/(n2)^2)). From there you can use λ = c/v to find the wavelength.