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92^(U^(235) mucleus absorbs a slow neutr...

`92^(U^(235)` mucleus absorbs a slow neutron and undergoes fission into `54^(X^139)` and `38^(sr^94)` nuclie The other particies produced in this fission process are

A

`1 beta` and `1 alpha`

B

`2 beta` and `1` neutron

C

`2` neturons

D

`3` neutrons

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The correct Answer is:
D
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If an atom of _92^235U , after absorbing a slow neutron, undergoes fission to form an atom of -54^138 Xe and an atom of _38^94Sr , the other particles produced are

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Uranium U_92^235 on bombardment with slow neutrons produces

Consider the case of bombardment of U^(235) nucleus with a thermal neutron. The fission products are Mo^(95) & La^(139) and two neutrons. Calculate the energy released by one U^(235) nucleus. (Rest masses of the nuclides are U^(235)=235.0439 u, ._(0)^(1)n=1.0087u, Mo^(95)=94.9058 u, La^(139).9061u) .

The number of neutrons released when ._92 U^235 undergoes fission by absorbing ._0 n^1 and (._56 Ba^144 + ._36 Kr^89) are formed, is.

A 1000 MW fission reactor consumes half of its fuel in 5.00yr. How much ._92U^(235) did it contain initially? Assume that the reactor operates 80% of the time and that all the energy generated arises form the fission of ._92U^(235) and that this nuclide is consumed by the fission process.

Consider the fission ._(92)U^(238) by fast neutrons. In one fission event, no neutrons are emitted and the final stable and products, after the beta decay of the primary fragments are ._(58)Ce^(140) and ._(44)Ru^(99) . Calculate Q for this fission process, The relevant atomic and particle masses are: m(._(92)U^(238))=238.05079u, m(._(58)Ce^(140))=139.90543 u, m(._(34)Ru^(99))=98.90594 u

The most important use of studying nuclear fission and fusion process was to harness nuclear energy for useful purpose of humanity. Nuclear reactor is the machine designed to harness nuclear energy to electricity. The basic principle involved is fission of uranium to krypton and barium by slow moving neutrons as in following ""_(0)n^(1)+""_(92)^(235)Uto""_(32)^(96)Kr+""_(56)^(141)Ba+3_(0)n^(1)+Q(200MeV) reaction: But the difficulty is that one neutron striking with ""_(92)^(235)U produces three (2.6 on an average) neutrons which can cause further fission The neutron intensity available for further fission is controlled by measuring reproduction factor defined as the average number of neutrons from each fission the causes further fission. Maximum value of K 2.6. For optimum operation of nuclear reactor, the value of Kis mentioned in Column-1 for various stages in Columu-Il match the correct columns : {:("Column-I","Column-II"),((A)K=1,(p)"Uncontrolled chain reaction"),((B)Klt1,(q)"Critical"),((C)Kge1,(r)"Sub critical"),((D)K~~25,(s)"Super critical"):}

The number of neutrons accompanying the formation of ._(54)Xe^(139) and ._(38)Sr^(94) from the absorption of a slow neutron by ._(92)U^(235) , followed by nuclear fission is

The compound unstabel nucleus ._(92)^(236)U often decays in accordance with the following reaction ._(92)^(236)U rarr ._(54)^(140)Xe +._(38)^(94)Sr + other particles During the reaction, the uranium nucleus ''fissions'' (splits) into the two smaller nuceli have higher nuclear binding energy per nucleon (although the lighter nuclei have lower total nuclear binding energies, because they contain fewer nucleons). Inside a nucleus, the nucleons (protonsa and neutrons)attract each other with a ''strong nuclear'' force. All neutrons exert approxiamtely the same strong nuclear force on each other. This force holds the nuclear are very close together at intranuclear distances. Which of the following graphs might represent the relationship between atomic number (i.e., ''atomic weight'') and the total binding energy of the nucleus, for nuclei heavier than ._(38)^(94)Sr ?

RESONANCE ENGLISH-NUCLEAR PHYSICS-Exercise-1 Part-2 Only one option correct type
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  2. Atomic weight of boron is 10.81 and it has twoisotopes .(5)^(10)B and ...

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  3. Which of the following processes does not represent a gamma decay ?

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  4. An alpha particle is bombarded on .^(14)N. As a result , a .^(17)O nuc...

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  5. A fre neutron decays into a proton an electron and

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  6. Nuclei X decay into nuclei Y by emitting alpha-aprticles. Energies of ...

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  7. In one average-life,

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  8. A freshly prepared radioactive source of half-life 2 h emits radiation...

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  9. Two isotopes P and Q atomic weight 10 and 20, respectively are mixed i...

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  10. Ten grams of ^57 Co kept in an open container beta-decays with a half-...

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  11. A radioactive element P disintegrates into Q which further disintegrat...

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  12. The half - life of I^(131) is 8 days. Given a sample of I^(131) at ti...

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  13. 92^(U^(235) mucleus absorbs a slow neutron and undergoes fission into ...

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  14. Two lithium nuclei in a lithium vapour at room temperature do not comb...

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  15. In a uranium reactor whose thermal power is P=100 MW, if the average n...

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  16. Choose the statement which is true.

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  17. Fusion reaction takes place at high tamperature because

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  18. in a fission reaction of X and Y is 8.5 MeV , whereas of ""^(236)...

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  19. A heavy nucleus X of mass number 240 and binding energy per nucleon 7....

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  20. Assuming that about 20 MeV of energy is released per fusion reaction ...

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