nitially, scientists described atoms as the smallest particles of matter. However, smaller particles within atoms were discovere
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The distance between identical points in adjacent cycles of a waveform signal is called wavelength. The n₁ for the initial level of the electron is 4.
<h3>What is Wavelength?</h3>The distance between identical points (adjacent crests) in adjacent cycles of a waveform signal carried in space or down a wire is defined as the wavelength.
Given the wavelength is 489.2 nm, also, it is stated that the nf level is Balmer series. Therefore,
nf level = 2
The wavelength, λ = 489.2 nm = 4.86× 10⁻⁷ meter
Now, the mathematical formula for wavelength is given as,
where R is the Rydberg constant and its value is equal to 1.097×10⁷.
Therefore, we can write,
n₁ = 4.0021 ≈ 4
Hence, the n₁ for the initial level of the electron is 4.
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