EASYMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryAtomic StructureIntro
The number of wavelengths per unit length is called
0.Frequency (ν)
1.Wavelength (λ)
2.Wave number (ν̄)
3.Amplitude
Explanation
Wave number (ν̄) = 1/λ = number of wavelengths per unit length. Its SI unit is m⁻¹.
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