Ch24

1
Chapter 24
2
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 A 2. Crystal B
3
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 A 2. Crystal B
4
Does a photon of red light have more energy
or less energy than a photon of blue light?
1. More energy 2. Less energy
5
Does a photon of red light have more energy or
less energy than a photon of blue light?
1. More energy 2. Less energy
6
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.
7
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.
8
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 gt EO gt EH 2. EO gt EC gt EH 3. EH gt EC gt
EO 4. EO gt EH gt EC 5. EH gt EO gt EC
9
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 gt EO gt EH 2. EO gt EC gt EH 3. EH gt EC gt
EO 4. EO gt EH gt EC 5. EH gt EO gt EC
10
Chapter 24 Reading Quiz
11
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.
12
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.
13
Light consists of discrete, massless units called
1. quarks. 2. photons. 3. rotons. 4.
muons. 5. phonons.
14
Light consists of discrete, massless units called
1. quarks. 2. photons. 3. rotons. 4.
muons. 5. phonons.
15
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.
16
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.
17
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.
18
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.