哈尔滨工程大学
- Which nuclear process is correct ( ). （ ）
-
（ ）. - The most abundant in the Earth's atmosphere is 14N. If the universe can provide enough high-energy protons and neutrons, which the radioactive isotope can be produced. （ ）
- Which of the following effects can occur with 1.5 MeV gamma rays （ ）.
（ ）- Minimum energy requirements when the following reactions occur. （ ）
（ ）.- The mass excess of U-235 is 40.913MeV，then the atomic mass of U-235 is （ ）
。
(
) （ ） - The charge radii of nuclei are measured by（ ）。
-
（ ）. - https://image.zhihuishu.com/zhs/question-import/formula/202209/5266298c9d244f13b95390b5d16ba8db.png
- https://image.zhihuishu.com/zhs/question-import/formula/202209/2203244f379b43fd9618efba544096f8.png
（ ）- https://image.zhihuishu.com/zhs/question-import/formula/202209/7e4b3f733c0142b992c8bbc9ba737b10.png
- When passing through the same target, the energy divergence of heavy charged particles is usually smaller than that of light charged particles （ ）
- If the nucleus has larger specific binding energy, the nucleus will be more stable.（ ）
（ ）
（ ）- There is inner structure inside the nucleon。（ ）
- https://image.zhihuishu.com/zhs/question-import/formula/202209/eaa38022e982472c89f0b7b6336e4fd3.png
（ ）- The physical meaning of nuclear reaction cross section is the probability that a nuclear reaction occurs when a incident particle interact on a target particle in per unit area.
- The magnetic dipole moment of nuclei must be positive。（ ）
- https://image.zhihuishu.com/zhs/question-import/formula/202209/ae4c5356a8174719b18edbb53d6349f0.png
-
（ ）. -
（ ）. - https://image.zhihuishu.com/zhs/question-import/formula/202209/ec8a85a6c9054d4c987ebc268b1537cb.png
- When the following particles with the same energy are incident on the same target, which one is most prone to bremsstrahlung. （ ）
- https://image.zhihuishu.com/zhs/question-import/formula/202209/0349f693305a45a9a2692b635d1edc44.png
-
（ ）. - The probability that a radiative nucleus decays after t time is （ ）。 （ ）
- The nucleus of an atom is composed of（ ）。
- For a given incident particle and target nucleus, there are many kinds of nuclear reaction processes that can occur, and each nuclear reaction process becomes a reaction channel.
（ ）.- https://image.zhihuishu.com/zhs/question-import/formula/202209/cac5e678bf4247aea39632d573169987.png
- When the specific of system increase during a process, the system （ ）. （ ）
- https://image.zhihuishu.com/zhs/question-import/formula/202209/8fab6ef4fa7e4a728f285eaeca506110.png
- All the nuclei have definite parity。（ ）
- The ratio of the number of reactions caused in the target by the incident particle to the incident particle.
（ ）.
A:
B:
C:
D:
答案:
A:12.8MeV B:7.05MeV C:4.8MeV D:3.0MeV
答案:7.05MeV###3.0MeV###12.8MeV
A:
B:
C:
D:
答案:https://image.zhihuishu.com/zhs/question-import/formula/202209/2aae895975d44e37aa99e4b3fa6a26b4.png###https://image.zhihuishu.com/zhs/question-import/formula/202209/94c82e84022347d4b1f61882de853cd1.png
A:Photoelectric Effect B:Electron Pair Effect C:Compton Scattering
答案:B: Electron Pair Effect C: Compton Scattering
A:True B:False
答案:False
A:
B:
C:
D:
答案:
A:96 eV B:28 eV C:58 eV D:35 eV
答案:58 eV
A:180790 B:40.913 C:218941 D:218859
答案:218941
A:
B:
C:
D:
答案:https://image.zhihuishu.com/zhs/question-import/formula/202209/d54ca5ba81c748d0a1cee8bb1711258e.png
A:
B:
C:
D:
A:fast electron or positron B:
C:proton
D:electromagnetic radiation with high energy
A:
B:
C:
D:allowed
A:True B:False
A:
B:
C:
D:
A:False B:True
A:False B:True
A:True B:False
A:1.152 B:
C:
D:
A:True B:False
A:
B:
C:
D:
A:False B:True
A:False B:True
A:True B:False
A:will reach secular equilibrium B:will reach transient equilibrium C:will not reach equilibrium D:will change randomly
A:
B:
C:
D:
A:0.56MeV B:14.89MeV C:12.38MeV D:3.79MeV
A:2043 B:11135 C:2949 D:16065
A:Protons B:
C:Electron
D:Neutron
A:False B:True
A:8.5MeV B:26.3MeV C:2.6MeV D:15.2MeV
A:
B:
C:
D:
A:Neutrons and electrons B:Protons, neutrinos, and electrons C:Proton and neutrons D:Protons and electrons
A:True B:False
A:5.404 MeV B:5.514 MeV C:5.640 MeV D:5.420 MeV
A:15.6 MeV B:4.65 MeV C:36.5 MeV D:23.6 MeV
A:will absorb energy B:will release energy C:will neither absorb energy, nor release energy D:may absorb energy, and may also release energy
A:
B:
C:
D:
A:True B:False
A:True B:False
A:
B:
C:
D:
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