Question:
In hydrogen spectrum, which of the following spectral series lies in ultraviolet region?
In hydrogen spectrum, which of the following spectral series lies in ultraviolet region?
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In hydrogen spectra, the Lyman series lies in the ultraviolet region, while the Balmer series is visible, and the others are in the infrared region.
Updated On: Jan 26, 2026
- Pfund
- Lyman
- Paschen
- Brackett
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the spectral series.
The hydrogen spectrum consists of several spectral series, each corresponding to transitions between different energy levels in the hydrogen atom. The series are:
- Lyman series: Ultraviolet region
- Balmer series: Visible region
- Paschen series: Infrared region
- Brackett series: Infrared region
- Pfund series: Infrared region
Step 2: Identifying the correct series.
The Lyman series corresponds to transitions where the electron falls to the first energy level, and it lies in the ultraviolet region. Thus, the correct answer is (B) Lyman.
The hydrogen spectrum consists of several spectral series, each corresponding to transitions between different energy levels in the hydrogen atom. The series are:
- Lyman series: Ultraviolet region
- Balmer series: Visible region
- Paschen series: Infrared region
- Brackett series: Infrared region
- Pfund series: Infrared region
Step 2: Identifying the correct series.
The Lyman series corresponds to transitions where the electron falls to the first energy level, and it lies in the ultraviolet region. Thus, the correct answer is (B) Lyman.
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