February 20, 2017

Homework Help: General Chemistry

Posted by M on Monday, January 18, 2010 at 2:06am.

An electron microscope employs a beam of electrons to obtain an image of an object. What energy must be imparted to each electron of the beam to obtain a wavelength of 15.2 pm? Obtain the energy in electron volts (eV) (1 eV = 1.602 10-19 J).

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