Concept explainers
To calculate: Wavelength of
Answer to Problem 55A
Wavelength of
Explanation of Solution
Given:
The mass of the electron is replaced by one half of its mass in the
Formula used:
The electron orbital radius in hydrogen is given by,
Where,
Energy of an atom is given by,
Where,
Energy of a hydrogen is given by,
Where
Energy of every photon is given by,
Where
Calculation:
The positronium atom’s orbital radius is calculated as:
Hence the radii will be twice as large.
Energy level of the positronium can be calculated a:
Hence the energy level will be half as large.
Energy emitted from
Since energy of the positronium atom is half as large,
Energy change from
Wavelength of hydrogen atom is calculated as:
Since the wavelength of the positronium atom is twice as large as the hydrogen atom.
Conclusion:
Wavelength of
Chapter 28 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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