Question

What is the wavelength of the photon emitted during the transition from the orbit of n = 5 to that of n = 2 in hydrogen atom?​

Answer 1

Answer:

434 nm

λ

1

=R[

n

1

2

1

−

n

2

2

1

]

λ

1

=109677.6 cm

−1

×[

2

2

1

−

5

2

1

]

λ

1

=23032.3 cm

−1

λ=4.34×10

−5

cm

Convert unit from cm to nm

1 cm =10

7

nm

λ=4.34×10

−5

cm×

1 cm

10

7

nm

λ=434 nm

Answer 2

Answer:

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