If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted?
Group of answer choices

A. 122 nm

B. 1024 nm

C. 97 nm

D. 103 nm

Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire.

Wavelength of light is emitted

When an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom, the wavelength of light is emitted is calculated as follows;

¹/λ = R(1/n₁² - 1/n₂²)

¹/λ = 109677(1/1 - 1/2²)

¹/λ = 109677(1 - ¹/₄)

¹/λ = 82,257.25

λ = 1/8,225.25

λ = 1.22 x 10⁻⁵ cm

λ = 1.22 x 10⁻⁷ m

λ = 122 nm

Thus, the wavelength of light that is emitted is 122 nm.

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If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted? Group of answer choices A. 122 nm B. 1024 nm C. 97 nm D. 103 nm

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Wavelength of light is emitted

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If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted?
Group of answer choices

A. 122 nm

B. 1024 nm

C. 97 nm

D. 103 nm