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In an Electron Microscope, Electrons Are Accelerated to Great Velocities

Question 127

Multiple Choice

In an electron microscope, electrons are accelerated to great velocities. Calculate the wavelength of an electron traveling with a velocity of 7.0 * 103 kilometers per second. The mass of an electron is 9.1 * 10-28 g.


A) 1.0 * 10-13 m
B) 1.0 * 10-10 m
C) 1.0 * 10-7 m
D) 1.0 m

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