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What did de Broglie propose to account for the fixed energy levels in Bohr's model of the atom?
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9. Quantum Mechanics
De Broglie Wavelength
뒤로9. Quantum Mechanics
De Broglie Wavelength
- 객관식At what speed must an electron travel for its de Broglie wavelength to be 1.0 nm?44views
- 객관식What is the De Broglie wavelength for a 3 g marble rolling at a speed of 30 cm/s?388views
- 객관식A typical electron velocity is 7.27 x 10^6 m/s. Calculate the de Broglie wavelength of an electron having this velocity:366views
- 객관식Which of the following best describes Louis de Broglie's central idea about the nature of electrons in atoms?95views
- 객관식If an electron has a de Broglie wavelength of 0.250 nm, what is its momentum?99views
- 객관식Calculate the de Broglie wavelength of a hydrogen atom traveling at 495 m/s. Assume the mass of a hydrogen atom is approximately 1.67 x 10^-27 kg.349views
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Consider an atom traveling at 3.00 x 1015 m/s. The de Broglie wavelength is found to be 7.1316 x 10-39. Determine the mass (in g) of the atom.
3368views1rank5comments - 객관식What is the de Broglie wavelength of an electron traveling at 1.12 x 10^5 m/s, given that the mass of an electron is 9.11 x 10^-31 kg?363views
- 객관식Calculate the energy of a neutron whose de Broglie wavelength is 0.7 Å. Assume the mass of the neutron is 1.675 x 10^-27 kg and use Planck's constant h = 6.626 x 10^-34 J·s.367views
- 객관식The mass of an electron is 9.11 x 10^-31 kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31 x 10^-10 m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00 x 10^8 m/s.388views
- 객관식Calculate the de Broglie wavelength of a 143 g baseball traveling at 83 mph. (Note: 1 mph = 0.44704 m/s)304views
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The faster an electron is moving, the _________ its kinetic energy, and the __________ its wavelength.
1543views2rank - 객관식Consider an atom traveling at 1% of the speed of light. The de Broglie wavelength of the atom is found to be 3.32 × 10⁻³ pm. Which element is this?233views
- 객관식Calculate the de Broglie wavelength of an electron traveling with a speed of 3.21 × 10^5 m/s. Assume the mass of an electron is 9.11 × 10^-31 kg.351views