College Physics:
College Physics:
11th Edition
ISBN: 9781305965515
Author: SERWAY, Raymond A.
Publisher: Brooks/Cole Pub Co
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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 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
Gold has a prominent x-ray emission line at 67.0 keV. What is the minimum speed (in m/s) of an incident electron that could produce this emission line?
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