Question:
Which of the following series spectrum of hydrogen atom lies in ultraviolet region?
Which of the following series spectrum of hydrogen atom lies in ultraviolet region?
Show Hint
The Lyman series corresponds to transitions to the \( n = 1 \) level and lies in the ultraviolet region, while the other series correspond to infrared or visible regions.
Updated On: Apr 15, 2025
- Paschen series
- Brackett series
- Pfund series
- Lyman series
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The Correct Option is D
Solution and Explanation
The spectrum of hydrogen atom consists of different series, each corresponding to transitions of electrons between energy levels. The four main series are: 1. Lyman series: Transitions to \( n = 1 \) from higher levels. This series lies in the ultraviolet region.
2. Balmer series: Transitions to \( n = 2 \) from higher levels. This series lies in the visible region.
3. Paschen series: Transitions to \( n = 3 \) from higher levels. This series lies in the infrared region.
4. Brackett series: Transitions to \( n = 4 \) from higher levels. This series also lies in the infrared region.
5. Pfund series: Transitions to \( n = 5 \) from higher levels. This series lies in the far infrared region. Thus, the Lyman series is the series that lies in the ultraviolet region. Therefore, the correct answer is (D).
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