PHY1020 Ch5,6,7 EXAM 2 (all
correct answers)
Recent reports discussing the population bomb *ans*✨indicate that the
explosion is slowing.
A one-kiloton nuclear weapon, exploded at ground level would destroy
*ans*✨about one square kilometre of a city.
For an atomic bomb, the number of doublings required is closest to *ans*✨80.
An implosion type bomb is required for *ans*✨a Pu-239 bomb.
Moore's law relates to *ans*✨computer chip capability.
Which of the following does not represent exponential growth?
A. a computer virus
B. spread of smallpox.
C. epidemic of flu
D. illness from anthrax *ans*✨illness from anthrax
The statement that the Chernobyl accident will kill 24,000 people is based on
*ans*✨the linear hypothesis.
A moderator is something that *ans*✨slows neutrons.
The dangerous radioactivity from fallout comes from *ans*✨fission fragments.
Fallout is much worse if the bomb *ans*✨is exploded near the ground.
A nuclear reactor cannot explode like a nuclear bomb because *ans*✨the
nuclear reactor depends on slow neutrons.
According to the text, the least bad place to put nuclear waste is
*ans*✨underground.
A breeder reactor is designed to produce *ans*✨plutonium.
The number of nuclear weapons that the United States had was closest to
*ans*✨ten thousand.
PCR has been used to do.
A. identify children of Thomas Jefferson
B. check the guilt of convicted murderers.
C. identify victims of 9/11.
D. identify the father of children.
E. all of the above *ans*✨all of the above
The Hiroshima bomb used *ans*✨a gun design.
, If the water moderator is lost from a nuclear reactor, *ans*✨radiation from
fission fragments will continue to produce heat.
The material that might be "reprocessed" from nuclear waste is *ans*✨Pu-239
Which of the following is not a good example of the doubling law?
A. lightning
B. avalanche
C. nuclear chain reaction
D. future population growth *ans*✨future population growth
The Canadian Candu reactors use *ans*✨deuterium.
In a nuclear power plant, the material that runs through the turbine is
*ans*✨steam.
The number of deaths from the Nagasaki bomb is estimated to be *ans*✨50,000
to 150,000.
The smallest container that could retain one critical mass of plutonium is
*ans*✨a coffee mug.
The bomb dropped on Hiroshima used as its fuel *ans*✨uranium.
Saddam Hussein planned to enrich uranium using *ans*✨Calutrons.
A centrifuge enrichment plant takes an area of about *ans*✨one large
classroom.
PCR involves *ans*✨DNA.
One of the most dangerous radioactive materials from fallout is *ans*✨Sr-90
The term China syndrome refers to *ans*✨meltdown of the nuclear fuel.
Another name for the H-bomb is *ans*✨thermonuclear bomb.
A nuclear explosion similar to the one produced by North Korea would destroy an
area of about *ans*✨the size of a college campus.
What distinguishes a breeder reactor from other reactors is that *ans*✨it makes
more fuel than it uses.
An "octave" refers to two frequencies which differ by a factor of *ans*✨2.
The very centre of the earth is *ans*✨solid iron.
According to the text, the "Flying Disks" that crashed near Roswell were
*ans*✨microphones.
current is measured by *ans*✨amps.
a volt is a measure of *ans*✨energy per electron.
magnetism comes from *ans*✨moving electric charge.
correct answers)
Recent reports discussing the population bomb *ans*✨indicate that the
explosion is slowing.
A one-kiloton nuclear weapon, exploded at ground level would destroy
*ans*✨about one square kilometre of a city.
For an atomic bomb, the number of doublings required is closest to *ans*✨80.
An implosion type bomb is required for *ans*✨a Pu-239 bomb.
Moore's law relates to *ans*✨computer chip capability.
Which of the following does not represent exponential growth?
A. a computer virus
B. spread of smallpox.
C. epidemic of flu
D. illness from anthrax *ans*✨illness from anthrax
The statement that the Chernobyl accident will kill 24,000 people is based on
*ans*✨the linear hypothesis.
A moderator is something that *ans*✨slows neutrons.
The dangerous radioactivity from fallout comes from *ans*✨fission fragments.
Fallout is much worse if the bomb *ans*✨is exploded near the ground.
A nuclear reactor cannot explode like a nuclear bomb because *ans*✨the
nuclear reactor depends on slow neutrons.
According to the text, the least bad place to put nuclear waste is
*ans*✨underground.
A breeder reactor is designed to produce *ans*✨plutonium.
The number of nuclear weapons that the United States had was closest to
*ans*✨ten thousand.
PCR has been used to do.
A. identify children of Thomas Jefferson
B. check the guilt of convicted murderers.
C. identify victims of 9/11.
D. identify the father of children.
E. all of the above *ans*✨all of the above
The Hiroshima bomb used *ans*✨a gun design.
, If the water moderator is lost from a nuclear reactor, *ans*✨radiation from
fission fragments will continue to produce heat.
The material that might be "reprocessed" from nuclear waste is *ans*✨Pu-239
Which of the following is not a good example of the doubling law?
A. lightning
B. avalanche
C. nuclear chain reaction
D. future population growth *ans*✨future population growth
The Canadian Candu reactors use *ans*✨deuterium.
In a nuclear power plant, the material that runs through the turbine is
*ans*✨steam.
The number of deaths from the Nagasaki bomb is estimated to be *ans*✨50,000
to 150,000.
The smallest container that could retain one critical mass of plutonium is
*ans*✨a coffee mug.
The bomb dropped on Hiroshima used as its fuel *ans*✨uranium.
Saddam Hussein planned to enrich uranium using *ans*✨Calutrons.
A centrifuge enrichment plant takes an area of about *ans*✨one large
classroom.
PCR involves *ans*✨DNA.
One of the most dangerous radioactive materials from fallout is *ans*✨Sr-90
The term China syndrome refers to *ans*✨meltdown of the nuclear fuel.
Another name for the H-bomb is *ans*✨thermonuclear bomb.
A nuclear explosion similar to the one produced by North Korea would destroy an
area of about *ans*✨the size of a college campus.
What distinguishes a breeder reactor from other reactors is that *ans*✨it makes
more fuel than it uses.
An "octave" refers to two frequencies which differ by a factor of *ans*✨2.
The very centre of the earth is *ans*✨solid iron.
According to the text, the "Flying Disks" that crashed near Roswell were
*ans*✨microphones.
current is measured by *ans*✨amps.
a volt is a measure of *ans*✨energy per electron.
magnetism comes from *ans*✨moving electric charge.
