Fast neutrons can easily be slowed down ...

Fast neutrons can easily be slowed down by

Passing them through water

Applying a strong electric field

The use of lead shielding

Elastic collisions with heavy nude

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From study of elastic collision we understand that if two colliding particles have equal masses they interchange their velocities and energy transfer is maximum if they have equal masses and one is at rest w... other. This principle can be easily used in nuclear reactor to select a moderator. If m_(1)=m_(2)=m and m_(2) at rest then m_(1) will stop after colliding with m_(2) and m_(2) will move with velocity of m_(1) . In case of nuclear reactor we used a moderator such that neutrons can be slowed down. With above reference answer the following questions Which is correct statement

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AAKASH INSTITUTE ENGLISH-NUCLEI-Assignment Section A Objective (One option is correct )

Fusion reaction takes place at high tamperature because
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Nucleus A divides into two nuclei B and C in a fission process, their ...
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Fast neutrons can easily be slowed down by
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A reactor is generating 1000 kW of power and 200 MeV of energy may be ...
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In the nuclear reaction .92 U^238 rarr .z Th^A + .2He^4, the values of...
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The number of neutrons released when .92 U^235 undergoes fission by ab...
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Neutrino is a particle, which is
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The binding energy of nucleus is a measure of its.
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Heavy water is
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1 atomic mass unit is equal to
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A nucleus of .84^210 Po originally at rest emits alpha particle with s...
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The curve of blinding energy per nucleon as a function of atomic mass ...
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The atoms of same element having same chemical properties but differen...
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Which of the following is most unstable
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In any fission process the ratio ("mass of fission products ")/(" mas...
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In a radioactive substance at t = 0, the number of atoms is 8 xx 10^4....
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Some radioactive nucleus may emit.
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The percentage of quantity of a radioactive material that remains afte...
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Beta rays emitted by a radicactive material are
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Alpha rays emitted from a radioactive substance are
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