AP EAMCET · Chemistry · Structure of Atom
If the longest wavelength of spectral line of Paschen series of \(\mathrm{Li}^{2+}\) ion spectrum is \(x Å\), then the longest wavelength (in \(Å\) ) of Lyman series of hydrogen spectrum is
- A \(\frac{12}{7 x}\)
- B \(\frac{7 x}{12}\)
- C \(\frac{20 x}{27}\)
- D \(\frac{27 x}{20}\)
Answer & Solution
Correct Answer
(B) \(\frac{7 x}{12}\)
Step-by-step Solution
Detailed explanation
\(\bar{v}=R_H \times Z^2 \times\left(\frac{1}{n_1^2}-\frac{1}{\mathrm{n}_2^2}\right)\) For paschen series longest wavelength…
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