In an electron microscope, electrons are accelerated by passing them through a voltage difference. The kinetic energy thus acquired by the electrons is equal to - 19 the voltage times the charge on the electron. Thus, a voltage difference of 1 volt imparts a kinetic energy of 1.602 × 10 volt-coulomb or 1.602 × 10¯ 19 J. 1 Calculate the wavelength, in pm, associated with electrons accelerated by 5.00 × 103 volts. (KE (---) mu² = 2 Be sure your answer has the correct number of significant digits. 2 = ☐ pm x10
In an electron microscope, electrons are accelerated by passing them through a voltage difference. The kinetic energy thus acquired by the electrons is equal to - 19 the voltage times the charge on the electron. Thus, a voltage difference of 1 volt imparts a kinetic energy of 1.602 × 10 volt-coulomb or 1.602 × 10¯ 19 J. 1 Calculate the wavelength, in pm, associated with electrons accelerated by 5.00 × 103 volts. (KE (---) mu² = 2 Be sure your answer has the correct number of significant digits. 2 = ☐ pm x10
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Chapter7: Quantum Theory Of The Atom
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Transcribed Image Text:In an electron microscope, electrons are accelerated by passing them through a voltage difference. The kinetic energy thus acquired by the electrons is equal to
- 19
the voltage times the charge on the electron. Thus, a voltage difference of 1 volt imparts a kinetic energy of 1.602 × 10 volt-coulomb or 1.602 × 10¯ 19 J.
1
Calculate the wavelength, in pm, associated with electrons accelerated by 5.00 × 103 volts. (KE
(---)
mu²
=
2
Be sure your answer has the correct number of significant digits.
2 =
☐ pm
x10
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