Concept explainers
The shortest and longest wavelengths.
Answer to Problem 30P
The shortest wavelengths is
The longest wavelengths is
Explanation of Solution
Given info:
Voltage of TV picture tube
The shortest wavelength is equals to the maximum kinetic energy of electron.
Formula used:
Where,
Calculation:
The shortest wavelength X-ray has the most energy. This energy is the maximum kinetic energy of the electron in the tube:
Substitute the value of E in equation
Also, the longest wavelength of continuous spectrum will be at the limit of the X-ray region of electromagnetic spectrum, on the order of
Conclusion:
The shortest wavelengths is
The longest wavelengths is
Chapter 28 Solutions
Physics: Principles with Applications
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