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Question
The binding energy per nucleon:A) increases for all fission events
B) increases for some, but not all, fusion events
C) decreases for all fusion events
D) decreases for some, but not all, fission events
E) remains the same for all fusion events
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The intensity of the microwave background radiation, a remnant of the big bang:
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Q:
Any meson is a combination of:
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Q:
Quarks are the constituents of:
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Q:
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Q:
Strangeness is conserved in:
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When a kaon decays via the strong interaction the products must include a:
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B) lepton
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Two baryons interact to produce pions only, the original baryons disappearing. One of the baryons must have been:
A) a proton
B) an omega minus
C) a sigma
D) an antiparticle
E) none of these
Q:
A neutral lepton cannot decay into two neutrinos. Of the following conservation laws, which would be violated if it did?
A) Energy
B) Baryon number
C) Linear Momentum
D) Angular momentum
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Q:
An electron participates in:
A) the electromagnetic and weak forces only
B) the strong and weak forces only
C) the electromagnetic and gravitational forces only
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Q:
An example of a fermion is a:
A) photon
B) pion
C) neutrino
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A particle with spin angular momentum is called a:A) leptonB) hadronC) fermionD) bosonE) electron
Q:
The microwave background radiation is a result of the big bang. The big bang also resulted in a uniform distribution of background:
A) electrons
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C) gluons
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Q:
Compared to fusion in a tokamak, laser fusion makes use of:
A) smaller particle number densities
B) greater particle number densities
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D) higher temperatures
E) lower temperatures
Q:
For a controlled nuclear fusion reaction, one needs:
A) high number density nand high temperature T
B) high number density nand low temperatureT
C) low number density nand high temperature T
D) low number density nand low temperature T
E) high number density nand temperature T = 0 K
Q:
The first step of the proton-proton cycle is:
Q:
Nuclear fusion in the Sun is increasing its supply of:
A) hydrogen
B) helium
C) nucleons
D) positrons
E) neutrons
Q:
The purpose of a moderator in a nuclear reactor is to:
A) provide neutrons for the fission process
B) slow down fast neutrons to increase the probability of capture by uranium
C) absorb dangerous gamma radiation
D) shield the reactor operator from dangerous radiation
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Q:
In the normal operation of a nuclear reactor:
A) control rods are adjusted so the reactor is subcritical
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C) the moderating fluid is drained
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Q:
The energy supplied by a thermal neutron in a fission event is essentially its:
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B) binding energy
C) kinetic energy
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Q:
When 236U fissions the fragments are:
A) always 140Xe and94Sr
B) always identical
C) never 140Xe and 94Sr
D) never identical
E) none of the above
Q:
A certain nucleus, after absorbing a neutron, emits a and then splits into two alpha particles. The (A, Z) of the original nucleus must have been:A) 6, 2B) 6, 3C) 7, 2D) 7, 3E) 8, 4
Q:
Radioactive polonium, 214Po (Z= 84), decays by alpha emission to:
A) 214Po (Z= 84)
B) 210Pb (Z= 82)
C) 214At (Z= 85)
D) 218Po (Z= 84)
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Q:
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Q:
Bombardment of 28Si (Z= 14) with alpha particles may produce:
A) a proton and 31P (Z= 15)
B) hydrogen and 32S (Z= 16)
C) a deuteron and 27Al (Z= 13)
D) helium and 31P (Z= 15)
E) 35Cl (Z= 17)