第一章 单元测试
1、单选题：The energy scale of atom is ( ).
A:MeV
B: eV
C: TeV
D: GeV
正确答案:【 eV】
2、单选题：The density scale of atom is ( )
A:
B:
C:
D:
正确答案:【
】
3、单选题：Who did propose that the matter was indivisible in ancient Greece? ( )
A:Plato
B:Archimedes
C:Aristotle
D:Democracy
正确答案:【Democracy】
4、单选题：Who did firstly show the Periodic table? ( )
A:Mendeleev
B:Avogadro
C:Proust
D:Faraday
正确答案:【Mendeleev 】
5、单选题：How many elements are discovered up to 2019? ( )
A:112
B:115
C:118
D:117
正确答案:【118】
6、单选题：What was found by Roentgen in 1895? ( )
A:Proton
B:neutron
C:Electron
D:X ray
正确答案:【X ray 】
7、单选题：The law of black-body radiation was given in 1900 by ( )?
A:Rutherford
B:Boltzmann
C:Plank
D:Bohr
正确答案:【Plank】
8、单选题：Which model can exactly solve the Hydrogen system? ( )
A:Dirac equation
B:Rutherford model
C:Bohr model
D:Schrodinger equation
正确答案:【Dirac equation 】
9、单选题：Which field is not related to atomic physics? ( )
A:Environment
B:Astrophysics
C:Literature
D:Plasma physics
正确答案:【Literature】
10、单选题：Who did not join the Solvay conference held in 1927? ( )
A:Fermi
B:Pauli
C:Einstein
D:Schrodinger
正确答案:【Fermi 】
第二章 单元测试
1、单选题：State the mass of Avogadro’s number of atoms for Copper ( ).
A:23.22 g
B:63.55 g
C:63.55 kg
D:127.10 g
正确答案:【63.55 g 】
2、单选题：
A:
B:
C:
D:
正确答案:【
】
3、单选题：The mass of a proton is ( )
A:
B:
C:
D:
正确答案:【
】
4、单选题：In Rutherford atomic model alpha particles were stroked on ( )
A:titanium
B:gold
C:silver
D:aluminum
正确答案:【gold 】
5、单选题：For aluminum ( Z = 13) and gold ( Z = 79 )targets, what is the ratio of α particle scattering at any angle for equal numbers of scattering nuclei per unit area? ( )
A:0.03
B:1.47
C:134.5
D:36.93
正确答案:【36.93】
6、单选题：For an 8.0 MeV α particle scattering from a gold atom ( Z = 79 ) of radius 0.135 nm, the largest scattering angle, θ is ? ( )
A:
B:
C:
D:
正确答案:【
】
7、单选题：According to structure of atom electron should fall in ( )?
A:space
B:outer environment
C:nucleus
D:shell
正确答案:【nucleus】
8、单选题：Which of the following is not a valid conclusion from Rutherford’s alpha particle scattering experiment? ( )
A:The nucleus must be very small compared to the atom
B:The atom is mainly empty space
C:The nucleus must be positively charged
D:The mass of the atom is mostly concentrated in the nucleus
正确答案:【The nucleus must be positively charged 】
9、单选题：
A:
12°
B:10°
C:
8°
D:
15°
正确答案:【10° 】
10、单选题：
A:0.05
B:0.84
C:1.35
D:0.67
正确答案:【0.84】
第三章 单元测试
1、单选题：When an electron jumps from its orbit to another orbit, energy is ( ).
A:absorbed
B:both
C:emitted
D:no effect
正确答案:【both】
2、单选题：What determines the difference in energy between two energy levels? ( )
A:number of valence electrons
B:distance between the two energy levels
C:number of electrons in the energy levels
D:distance from the nucleus
正确答案:【distance between the two energy levels】
3、单选题：According to Bohr model of hydrogen atom, the radius of stationary obit characterized by the principal quantum number n is proportional ( )
A:1/n
B:
C: n
D:
正确答案:【】
4、单选题：In hydrogen atom the angular momentum of the electron in the lowest energy state ( )
A:
B:
C:
D:
正确答案:【
】
5、单选题：The ratio of the speed of the electron in the ground state of hydrogen atom to the speed of light is ( )
A:1/2
B:1/137
C:1/237
D:2/137
正确答案:【1/137 】
6、单选题：If the electron in hydrogen atom jumps from the third orbit to second orbit, the wavelength of th emitted radiation is given by ( )
A:5/R
B:5R/36
C:R/6
D:36/5R
正确答案:【36/5R】
7、单选题：A proton and an electron, both at rest initially, combine to form a hydrogen atom in the ground state. A single photon is emitted in this process. What is its wavelength? ( )
A:49 fm
B:15 mm
C:357 nm
D:91.2 nm
正确答案:【91.2 nm】
8、单选题：A beam of electrons bombards a sample of hydrogen. Through what potential difference must the electrons have been accelerated if the first line of the Balmer series is to be emitted? ( )
A:0.6 V
B:12.1 V
C:35.7 V
D:569.3 V
正确答案:【12.1 V 】
9、单选题：The longest wavelength in the Lyman series is 121.5 nm and the shortest wavelength in the Balmer series is 364.6 nm. Find the longest wavelength of light that could ionize hydrogen. ( )
A:91.13 nm
B:74.5 mm
C:8.3 nm
D:49.4 fm
正确答案:【91.13 nm】
10、单选题：What is the shortest wavelength present in the Brackett series of spectral lines? ( )
A:1.46 mm
B:569.34 nm
C:91.13 nm
D:327.89 nm
正确答案:【1.46 mm】
第四章 单元测试
1、单选题：
A:2.08 eV
B:
12.89 eV
C:7.13 eV
D:
正确答案:【2.08 eV 】
2、单选题：Ultraviolet light of wavelength 350 nm and intensity 
is directed at a potassium surface. The maximum kinetic energy of the photoelectrons is ( )
A:3.5 eV
B:17.6 eV
C:6.9 eV
D:
正确答案:【3.5 eV】
3、单选题：A metal surface illuminated by 
Hz light emits electrons whose maximum energy is 0.52 eV. The same surface illuminated by 
Hz light emits electrons whose maximum energy is 1.97 eV. The work function of the metal is ( )
A:12.4 eV
B:47.5 eV
C:7.2 eV
D:3.0 eV
正确答案:【3.0 eV
】
4、单选题：The de Broglie wavelengths of a 46 g golf ball with a velocity of 30 m/s is ( )
A:
B:
C:
D:
正确答案:【
】
5、单选题：The kinetic energy of a proton whose de Broglie wavelength is 1.0 fm is ( )
A:617 MeV
B:347 MeV
C:1.555 GeV
D:938 MeV
正确答案:【617 MeV
】
6、单选题：The experiment that confirms the existence of de Broglie waves is ( )
A:Geiger-Marsden experiment
B:Millikan experiment
C:Davisson-Germer experiment
D:J. J. Thomson Experiment
正确答案:【Davisson-Germer experiment
】
7、单选题：
A:3.15 km
B:4.26 m
C:93.6 mm
D:578 nm
正确答案:【3.15 km
】
8、单选题：The expectation value <x> of the position of a particle trapped in a box L wide of infinite well is ( )
A:L/2
B:
C: L
D:0
正确答案:【L/2
】
9、单选题：
The average value of 1/r for a 1s electron in the hydrogen atom is ( )
A:
B:
C:
D:
正确答案:【
】
10、单选题：
A:
B:
C:
D:
正确答案:【
】
第五章 单元测试
1、单选题：An electron whose orbital quantum number is 2 has the length of angular momentum ( ).
A:
B:
C:
D:
正确答案:【
】
2、单选题：For a hydrogen atom in the 6f state, the minimum angle between the orbital angular momentum vector and the z axis is ( )
A:
B:
C:
D:
正确答案:【
】
3、单选题：
A:
B:
C:
D:
正确答案:【
】
4、单选题：An experimenter wants to separate silver atoms in a Stern-Gerlach experiment by at least 1 cm (a large separation) as they exit the magnetic field. To heat the silver, she has an oven that can reach 1000°C and needs to order a suitable magnet. What should be the magnet specifications? ( )
A:39 T·m
B:24 T·m
C:75 T·m
D:57 T·m
正确答案:【57 T·m
】
5、单选题：The Lande factor of 
is ( )
A:2
B:3
C:0.67
D:1
正确答案:【2】
6、单选题：
A:1.2 nm
B:0.6 nm
C:1.1 nm
D:1.8 nm
正确答案:【1.2 nm】
7、单选题：The Bohr magneton is ( )
A:
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