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  4. The wavelengths involved in the spectrum of deuterium text(12 textD text) are slightly different from that of hydrogen spectrum, because-

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Q. The wavelengths involved in the spectrum of deuterium $\text{(}_{1}^{2} \text{D} \text{)}$ are slightly different from that of hydrogen spectrum, because-

NTA AbhyasNTA Abhyas 2022

Solution:

Wavelength involved in the spectrum also depends on mass of nuclei apart from nuclear charge.