Physics, asked by ansumanguy, 7 months ago

Calculate the wavelength of second member of Lyman series. Give
Ry =1.097X10'm
m^-1. please reply urgent​

Answers

Answered by ajay1singh26
0

Explanation:

Given data:

R=1.097×10

7

m

−1

For short wavelength limit of Lyman Series,

n

1

=1,n 2

=∞,λ s

=?

For long wavelength limit of Lyman series,n 1

=1,n 2

=2,λ 1 ?

Solution:

The wave number for Lyman series is,

v

ˉ

=R[ n 12

1

n

2

2

1

]

For short wavelength limit,

v

s

ˉ

=

λ

s

1

=R[

1

2

1

(∞)

2

1

]=R

or λ

s

=

R

1

=

1.097×10

7

1

=911.6

A

o

For long wavelength limit

v

1

ˉ

=

λ

1

1

=R[

1

2

1

2

2

1

]=

4

3

R

λ

l

=

3R

4

=

3×1.097×10

7

4

λ

l

=

1215

A

o

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