PHY ch.5- Chain Reactions, Nuclear Reactors & Atomic Bombs

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is a series of events, and each event is caused by the previous one

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A chain reaction:

-is always nuclear

-is a collection of chains attached to each other

-is a series of events, and each event is caused by the previous one

-is always extremely dangerousill

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illness from Anthrax

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Which of the following does not represent exponential growth?

-A computer virus

-illness from Anthrax

-spread of small pox

-biological viruses

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15 Terms

1
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is a series of events, and each event is caused by the previous one

A chain reaction:

-is always nuclear

-is a collection of chains attached to each other

-is a series of events, and each event is caused by the previous one

-is always extremely dangerousill

2
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illness from Anthrax

Which of the following does not represent exponential growth?

-A computer virus

-illness from Anthrax

-spread of small pox

-biological viruses

3
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about one cup

The smallest container that could contain one critical mass of plutonium is:

-about one cup

-a large suitcase

-the trunk of an automobile

-a table spoon

4
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neutron-induced fission

The foundation of nuclear weapons is:

-carbon-14 isotope

-boiling water that warms up nuclei

-powerful lasers

-neutron-induced fission

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Because more neutrons are emitted in plutonium fission than in uranium fission.

The critical mass for a bomb based on uranium fission is different than that for plutonium fission. Why?

-Because they have different densities

-Because more neutrons are emitted in plutonium fission than in uranium fission.

-Because uranium is lighter than plutonium

-Because uranium is heavier than plutonium

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uranium

The bomb dropped in Hiroshima used as its fuel:

-hydrogen

-uranium

-deuterium and lithium-6

-plutonium

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a Pu-239 bomb

An implosion bomb is required for:

-a thermonuclear bomb

-a boosted fission weapon

-a U-235 bomb

-a Pu-239 bomb

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fission fragments

The dangerous radioactivity in fallout comes from:

-neutrinos

-fission fragments

-neutrons

-gamma rays

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steam

In a nuclear power plant, the material that runs through the turbine is:

-fission fragments

-electrons

-neutrons

-steam

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the meltdown of nuclear fuel

The term China syndrome refers to:

-production of plutonium in China

-the accident at Chernobyl

-meltdown of nuclear fuel

-nuclear terrorism

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strontium-90

One of the most dangerous radioactive materials from fallout is:

-plutonium-239

-deuterium

-uranium-235

-strontium-90

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the nuclear reactor depends on slow neutrons

A nuclear reactor cannot explode like a nuclear bomb because:

  

-it is carefully designed to shut down quickly.

-it contains too much uranium.

-it contains no uranium.

-the nuclear reactor depends on slow neutrons. 

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underground

According to the textbook, the least bad place to put nuclear waste is:

-underground

-in our food

-in the Sun

-all the way into outer space

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Pu-239

The material that might be “reprocessed” from nuclear waste is:

-Pu-239

-U-235

-U-238

-tritium

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DNA

PCR involves:

-DNA

-carbon-14

-tritium

-heavy water