Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is
Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is
- A
$\frac{9}{{31}}$
- B
$\frac{5}{{27}}$
- C
$\frac{3}{{23}}$
- D
$\frac{7}{{29}}$
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- [KVPY 2016]
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