Chemistry Exam > Chemistry Questions > What causes spectral lines?a)The transition o...
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What causes spectral lines?
- a)The transition of electrons between two energy levels
- b)The transition of electrons between two wavelength ranges
- c)Magnetic and electric field exiting in an atom
- d)The transition of electrons from electric to magnetic field
Correct answer is option 'A'. Can you explain this answer?
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What causes spectral lines?a)The transition of electrons between two e...
The observed spectral lines are caused by the transition of electrons between two energy levels in an atom. The emission spectrum of the hydrogen atom is divided into many spectral series, with wavelengths that are given by Rydberg’s formula.
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What causes spectral lines?a)The transition of electrons between two e...
Causes of Spectral Lines:
The spectral lines are caused by the transition of electrons between two energy levels within an atom. This phenomenon is a fundamental principle in spectroscopy and is crucial for understanding the behavior of atoms and molecules.
Transition of Electrons:
- When an electron moves from one energy level to another, it absorbs or emits a specific amount of energy in the form of electromagnetic radiation.
- This energy corresponds to a specific wavelength of light, which results in the formation of spectral lines in the electromagnetic spectrum.
- Each spectral line corresponds to a specific transition between two energy levels within the atom.
Energy Levels in an Atom:
- Electrons in an atom can only occupy specific energy levels, which are quantized and discrete.
- When an electron transitions between these energy levels, it emits or absorbs energy in the form of photons.
- The difference in energy between the initial and final energy levels determines the wavelength of the emitted or absorbed light, leading to the formation of spectral lines.
Significance of Spectral Lines:
- Spectral lines provide valuable information about the structure and properties of atoms and molecules.
- By analyzing the wavelengths of spectral lines, scientists can identify the elements present in a sample, determine their electronic configurations, and study their interactions with other substances.
In conclusion, the primary cause of spectral lines is the transition of electrons between two energy levels within an atom. This process is essential for spectroscopic analysis and plays a crucial role in understanding the behavior of matter at the atomic level.
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What causes spectral lines?a)The transition of electrons between two energy levelsb)The transition of electrons between two wavelength rangesc)Magnetic and electric field exiting in an atomd)The transition of electrons from electric to magnetic fieldCorrect answer is option 'A'. Can you explain this answer?
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