21 Physics Questions (Please put in word document)
1. |
Use the following photoelectric graph to answer the following question: What is the threshold frequency of the experimental photo-missive material? (5 points) |
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2. |
Use the following photoelectric graph to answer the following question: If you use a different experimental photo-missive material, what would be the same on the graph? (5 points) |
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3. |
Use the following half-life graph to answer the following question: What is the half-life of the isotope? (5 points) |
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4. |
Use the following half-life graph to answer the following question: When you are left with 6.25 mg of the radioactive isotope, how many half-lives have occurred from time equals zero? (5 points) |
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5. |
Use the following half-life graph to answer the following question: When you are left with 6.25 mg of the radioactive isotope, how many minutes would have passed from time equals zero? (5 points) |
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6. |
Put the following in ascending order of mass: (5 points) |
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7. |
Which equation below would you use to determine the number of neutrons in a given nucleus when you are given the atomic number (Z) and atomic mass (A)? (5 points) |
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8. |
The nuclear force that binds the nucleons together in the atom is relatively (5 points) |
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9. |
Which particle will not be affected by the presence of an electric field? (5 points) |
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10. |
During nuclear fission, energy is released as a result of (5 points) |
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11. |
A neutral atom of aluminum has 14 neutrons and 13 protons. How many electrons does this aluminum have? (5 points) |
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12. |
Isotopes of the same element always have the same (5 points) |
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13. |
The magnitude of the charge on an electron compared to the magnitude of the charge on a proton (5 points) |
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14. |
Wave interference (5 points) |
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15. |
Match the parent nuclei with the daughter nuclei. (4 points) |
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16. |
Match the elements with the number of neutrons. (4 points) |
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17. |
Match the terms with their definitions. (4 points) |
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18. |
The electron has the positron as its antiparticle. (5 points) |
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19. |
Rutherford’s Gold Foil experiment gave evidence that an atom is mostly empty space. (5 points) |
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20. |
Calculate the binding energy per nucleon of the Boron isotope B-10, which has a nuclear mass of 10.012937 u. Remember to identity all of your data, write the equation, and show your work. Mass of Proton: 1.007825 u |
21. In your own words, explain the effects of time dilation.