College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 27, Problem 18P
To determine

The minimum value of ΔV required to produce the emission peaks.

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When aluminum is bombarded with electrons accelerated through a potential difference ΔV, its x-ray spectrum contains emission peaks at 1.49 keV and 1.56 keV. Find the minimum value of ΔV in kV required to produce both of these peaks. Apply conservation of energy.  answer in kV
When zinc is bombarded with electrons accelerated through a potential difference ΔV, its x-ray spectrum contains emission peaks at 1.02 keV and 1.11 keV. Find the minimum value of ΔV in kV required to produce both of these peaks.
Calculate the minimum-wavelength x-ray that can be produced when a target is struck by an electron that has been accelerated through a potential difference of 21.0 kV and 1.10 ✕ 102 kV. (a)    21.0 kV ?min = m (b)    1.10 ✕ 102 kV ?min = m (c)    What happens to the minimum wavelength as the potential difference increases? increasesdecreases     remains the same
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