Concept explainers
(a)
To show: The photon of shortest wavelength will have:
(a)
Explanation of Solution
Given:
In an X-ray tube, the high voltage is
Formula used:
Total energy of a photon is given by:
Here,
Calculation:
The maximum energy of an electron can be given as:
Equating this expression to the above formula,
Now, frequency can be written as:
So, the wavelength can be given as:
Conclusion:
Thus, the photon of shortest wavelength will have
(b)
The shortest wavelength of X-ray emitted.
(b)
Answer to Problem 78GP
The shortest wavelength of X-ray emitted is
Explanation of Solution
Given:
Voltage,
Known data:
Planck’s constant,
Charge of electron,
Formula used:
The shortest wavelength is given as:
Calculation:
Substituting all the given values,
Conclusion:
Thus, the shortest wavelength of X-ray emitted is
Chapter 27 Solutions
Physics: Principles with Applications
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