The presence of several fine lines in the line spectrum shows the presence of:
Correct answer: C. Subshells
- A. Shells
- B. Energy Levels
- C. Subshells
- D. All of these
Explanation
Option A is incorrect because electrons can't jump between "shells". Option B is incorrect because the line spectrum is caused by the jumping off the excitement of electrons in sub-shells and not "energy levels". Option C is correct because lines on the line spectrum are caused by emissions of light from the excitement and fall of electrons in "subshells".
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About Spectrum of Hydrogen
The hydrogen spectrum consists of discrete emission lines produced when electrons fall between quantised energy levels and release photons. Questions use the Rydberg equation, photon energy and wavelength, and identify the Lyman, Balmer, Paschen, Brackett and Pfund series, which differ from continuous spectra.
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