This question consists of two statements each, printed as Statement I and Statement II. While answering this question you are to choose any one of the following four responses.
Statement-I: Hydrogen atom consists of only one electron but its emission spectrum has many lines.
Statement-II: Only Lyman series is found in the absorption spectrum of hydrogen atom whereas in the emission spectrum, all the series are found.
Text Solution
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Statement I: True
Hydrogen has only one electron, but its electron can get excited to higher energy levels and then return to various lower levels, producing many spectral lines (Lyman, Balmer, Paschen, etc.).
Statement II: False
It is incorrect that only Lyman series appears in absorption spectrum. In absorption, hydrogen can absorb photons corresponding to transitions from lower levels, so all possible series (based on initial level) can be involved depending on conditions, not only Lyman.
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