Chemistry, asked by mohammedkaifahmed101, 6 months ago

calculate the wave number of first line of balmer series in the hydrogen spectrum of an atom R = 1.09678 ×10 to the power 7 m-1 n1= 2 and n2=3,4,5.....

Answers

Answered by Itzcreamykitty
4

Explanation:

ANSWER

The expression for the wavelength of radiation is,

λ

1

=R(

n

1

2

1

n

2

2

1

)

Substitute values in the above expression,

λ

1

=109677×(

2

2

1

4

2

1

)=109677×(

4

1

16

1

)=109677×(

64

12

)

λ=4.86×10

−5

cm=486×10

−9

m=486nm.

The line belongs to bluish green colour.

Answered by abhi230204
3

Explanation:

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.

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