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PHY1020-Chapter 5
| Question | Answer |
|---|---|
| Recent reports discussing the population bomb: | Show that it doesn't matter since food supply grows equally fast. |
| A one-kiloton nuclear weapon, exploded at ground level, would destroy | About 1 square kilometer of a city. |
| For an atomic bomb, the nukber of doublings required is closest to: | 80 |
| An implosion type bomb is required for: | A PU-239 bomb. |
| Moore's law relates to: | Computer chip capability. |
| Which of the following does not represent exponential growth? ~A Computer Virus ~Spread of smallpox ~Epidemic of flu ~Illness from anthrax | Illness from anthrax |
| The statement that the Chernobyl accident will kill 24,000 people is based on: | The linear hypothesis |
| A moderator is something that: | Slows neutrons. |
| The dangerous radioactivity in fallout comes from: | Fission fragments. |
| Fallout is much worse if the bomb: | Is exploded near the ground. |
| A nuclear reactor cannot explode like a nuclear bomb because: | The nuclear reactor depends on slow neutrons. |
| According to the text, the least bad place to put nuclear waste is: | Underground. |
| A breeder reactor is designed to produce: | Plutonium. |
| The number of nuclear weapons that the United States had was closest to: | 10,000. |
| PCR has been used to (choose all that are appropriate:) ~Identify children of Thomas Jefferson ~Check the guilt of convicted murderers ~Identify victims of 9/11 ~Identify the fathers of children | ~Identify children of Thomas Jefferson ~Check the guilt of convicted murderers ~Identify the fathers of children |
| The Hiroshima bomb used what kind of design? | A gun design. |
| If the water moderator is lost from a nuclear reactor: | Radiation from fission fragments will continue to produce heat. |
| The material that might be reprocessed from nuclear waste is: | Pu-239. |
| What is not a good example of the doubling law? | Future population growth. |
| The Canadian CANDU reactors use: | Deuterium |
| Plutonium can explode with fewer generations than can uranium because: | Plutonium fission releases more neutrons. |
| In a nuclear power plant, the material that runs through the turbine is: | Steam. |
| The number of deaths from the Nagasaki bomb is estimated to be: | 50,000 to 150,000 |
| The smallest container that could contain one critical mass of plutonium is: | A Coffee mug. |
| The bomb dropped on Hiroshima used ____ as its fuel. | Uranium/ |
| Saddam Hussein planned to enrich uranium using: | Calutrons. |
| A centrifuge enrichment plant takes an area of about: | 1 large classroom. |
| PCR involves: | DNA. |
| One of the most dangerous radioactive materials from fallout is: | Sr-90. |
| The term "China Syndrome" refers to: | Meltdown of the nuclear fuel. |
| Depleted uranium is a useful substance because: | An artillery shell made from it is very penetrating. |
| PCR was used to learn about: | Descendants of Sally Hemmings. |
| Another name for the H-Bomb is a: | Thermonuclear bomb. |
| A nuclear explosion similar to the one produced by North Korea would destroy an area of about: | The size of a college campus. |
| Cold fusion: | Has been seen in laboratory experiments. |
| At Three Mile Island: | There was a reactivity accident. |
| What distinguishes a breeder reactor from other reactors is that: | It makes more fuel than it uses. |
| Jupiter is not a star because: | It isn't massive enough. |
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