Use the Following Figure for the Next Problem

question 20

Multiple Choice

Use the following figure for the next problem.
-The electrons coming out of the electron gun in an electron microscope are being accelerated by a potential of 100 kV.The wavelength of the electrons is

• A)2.14 nm
• B)3.88 pm
• C)4.87 nm
• D)12.4 pm
• E)6.87 nm

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