What is the wavelength in nanometers of ultraviolet light in the Balmer series corresponding to a value of n = 8?
回答 (1)
2020-09-29 1:33 am
Rydberg constant, R = 1.097 × 10⁷ m⁻¹ = 1.097 × 10⁻² nm⁻¹
n₁ = 2 (for Balmer series) and n₂ = 8
Rydberg equation: 1/λ = R [(1/n₁²) - (1/n₂²)]
Then, λ = 1 / {R [(1/n₁²) - (1/n₂²)]}
Wavelength, λ
= 1 / {1.097 × 10⁻² × [(1/2²) - (1/8²)] nm
= 388.9 nm
n₁ = 2 (for Balmer series) and n₂ = 8
Rydberg equation: 1/λ = R [(1/n₁²) - (1/n₂²)]
Then, λ = 1 / {R [(1/n₁²) - (1/n₂²)]}
Wavelength, λ
= 1 / {1.097 × 10⁻² × [(1/2²) - (1/8²)] nm
= 388.9 nm
收錄日期: 2021-04-24 08:10:24
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