chapter 24. the first-order diffraction of monochromatic x rays from crystal a occurs at an angle of...
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Chapter 24
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The first-order diffraction of monochromatic x rays from crystal A occurs at an angle of 20°. The first-order diffraction of the same x rays from crystal B occurs at 30°. Which crystal has the larger atomic spacing?
1. Crystal A2. Crystal B
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The first-order diffraction of monochromatic x rays from crystal A occurs at an angle of 20°. The first-order diffraction of the same x rays from crystal B occurs at 30°. Which crystal has the larger atomic spacing?
1. Crystal A2. Crystal B
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Does a photon of red light have more energy orless energy than a photon of blue light?
1. More energy 2. Less energy
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Does a photon of red light have more energy or less energy than a photon of blue light?
1. More energy 2. Less energy
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A proton, an electron and an oxygen atom each pass at the same speed through a 1-µm-wide slit. Which will produce a wider diffraction pattern on a detector behind the slit?
1. The proton.2. The electron. 3. The oxygen atom.4. All three will be the same.5. None of them will produce a diffraction pattern.
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A proton, an electron and an oxygen atom each pass at the same speed through a 1-µm-wide slit. Which will produce a wider diffraction pattern on a detector behind the slit?
1. The proton.2. The electron. 3. The oxygen atom.4. All three will be the same.5. None of them will produce a diffraction pattern.
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A proton, an electron and an oxygen atom are each confined in a 1-nm-long box. Rank in order, from largest to smallest, the minimum possible energies of these particles.
1. EC > EO > EH
2. EO > EC > EH
3. EH > EC > EO
4. EO > EH > EC
5. EH > EO > EC
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1. EC > EO > EH
2. EO > EC > EH
3. EH > EC > EO
4. EO > EH > EC
5. EH > EO > EC
A proton, an electron and an oxygen atom are each confined in a 1-nm-long box. Rank in order, from largest to smallest, the minimum possible energies of these particles.
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Chapter 24Reading Quiz
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What did Balmer do?
1. Developed the mathematical theory of atomic transitions.
2. Designed the first atomic spectrometer.3. Fit the visible lines in the spectrum of hydrogen to a
simple formula.4. Discovered that x rays are diffracted by crystals.5. Proposed a relation between the frequency of an
electromagnetic wave and the energy of photons.
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What did Balmer do?
1. Developed the mathematical theory of atomic transitions.
2. Designed the first atomic spectrometer.3. Fit the visible lines in the spectrum of hydrogen to
a simple formula.4. Discovered that x rays are diffracted by crystals.5. Proposed a relation between the frequency of an
electromagnetic wave and the energy of photons.
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Light consists of discrete, massless units called
1. quarks.2. photons.3. rotons.4. muons.5. phonons.
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Light consists of discrete, massless units called
1. quarks.2. photons.3. rotons.4. muons.5. phonons.
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The first evidence for matter waves was found in the
1. de Broglie experiment.2. Millikan experiment.3. Einstein-Bohr experiment.4. Davisson-Germer experiment.
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The first evidence for matter waves was found in the
1. de Broglie experiment.2. Millikan experiment.3. Einstein-Bohr experiment.4. Davisson-Germer experiment.
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Which “particles” were seen in this chapter to undergo interference and diffraction?
1. Electrons. 2. Atoms. 3. Neutrons.4. Both 1 and 2.5. All of 1, 2, and 3.
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Which “particles” were seen in this chapter to undergo interference and diffraction?
1. Electrons. 2. Atoms. 3. Neutrons.4. Both 1 and 2.5. All of 1, 2, and 3.