Which of the following series is represented by Z?
Correct answer: D. Paschen
- A. Lyman
- B. Balmer
- C. Bracket
- D. Paschen
Explanation
In atomic physics, the Lyman, Balmer, Brackett, and Paschen series are spectral series that describe the emission or absorption of photons by atoms when electrons transition between different energy levels. These series are named after the scientists who discovered and studied them.The Paschen series specifically corresponds to electron transitions in which the electron jumps from higher energy levels to the third energy level (n=3) in a hydrogen-like atom. These transitions result in the emission or absorption of photons in the infrared region of the electromagnetic spectrum. The wavelengths in the Paschen series are longer than those in the Balmer and Lyman series.
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Atoms emit or absorb light at specific wavelengths because electrons occupy quantized energy levels and change levels by absorbing or releasing photons. The topic covers emission and absorption spectra, spectral series, hydrogen’s line spectrum, energy-level transitions, and the relation between wavelength, frequency and photon energy.
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