Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
Calculate the wavelength of the first line of the Lyman series (
n
2
=
2
→
n
1
=
1
n_2=2\rightarrow n_1=1
n
2
=
2
→
n
1
=
1
) in hydrogen. Take
R
H
=
1.097
×
10
7
m
−
1
R_H=1.097\times10^7\,\text{m}^{-1}
R
H
=
1.097
×
1
0
7
m
−
1
. a)
102.6
nm
102.6\,\text{nm}
102.6
nm
b)
656
nm
656\,\text{nm}
656
nm
c)
121.6
nm
121.6\,\text{nm}
121.6
nm
d)
91.2
nm
91.2\,\text{nm}
91.2
nm
Browse the problem library