chemistry·NCERT Class 11·Structure of Atom
Hydrogen Emission Spectrum
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Every element has a unique 'fingerprint' of light lines. Hydrogen's visible lines — red, blue-green, violet — form the Balmer series. Watch them appear as electrons cascade down.
›Rydberg formula: 1/λ = R_H (1/n₁² − 1/n₂²).
›Longer wavelength = lower frequency = lower energy transition.