Question:
Which of the following series in hydrogen spectrum corresponds to UV radiation?
Which of the following series in hydrogen spectrum corresponds to UV radiation?
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The Lyman series emits ultraviolet radiation and corresponds to transitions of electrons to the n = 1 energy level in hydrogen.
Updated On: Apr 18, 2026
- Lyman
- Balmer
- Pachen
- Brackett
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The Correct Option is A
Solution and Explanation
The Lyman series in the hydrogen spectrum corresponds to ultraviolet (UV) radiation. This series involves transitions of electrons from higher energy levels (n ≥ 2) to the n = 1 energy level. These transitions result in the emission of ultraviolet light.
Step 1: Understanding the Lyman series.
The Lyman series includes transitions from n ≥ 2 to n = 1 and lies in the UV region of the electromagnetic spectrum.
Step 2: Explanation of other series.
- The Balmer series corresponds to visible light (n ≥ 3 to n = 2).
- The Pachen series corresponds to infrared radiation (n ≥ 4 to n = 3).
- The Brackett series corresponds to infrared radiation as well (n ≥ 5 to n = 4).
Step 3: Conclusion.
Thus, the Lyman series corresponds to ultraviolet radiation, making (A) the correct answer.
Final Answer:} (A) Lyman
The Lyman series includes transitions from n ≥ 2 to n = 1 and lies in the UV region of the electromagnetic spectrum.
Step 2: Explanation of other series.
- The Balmer series corresponds to visible light (n ≥ 3 to n = 2).
- The Pachen series corresponds to infrared radiation (n ≥ 4 to n = 3).
- The Brackett series corresponds to infrared radiation as well (n ≥ 5 to n = 4).
Step 3: Conclusion.
Thus, the Lyman series corresponds to ultraviolet radiation, making (A) the correct answer.
Final Answer:} (A) Lyman
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