Home
Class 12
PHYSICS
Among the following one is wrong...

Among the following one is wrong

A

The energy of thermal neutrons is about 25 meV

B

In a nuclear reactor, when neutron multiplication factor, `K=1` then the reaction is said to be critical

C

`"" _(92) U ^(235)` undergoes fission by bombardment of high energy neutron

D

On average `2.5` neutrons are emitted per fission of `"" _(92) U ^(235)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    NARAYNA|Exercise EXERCISE-1 (C.W)|21 Videos

  • NUCLEI

    NARAYNA|Exercise EXERCISE-1(H.W)|16 Videos

  • NUCLEI

    NARAYNA|Exercise EVALUATE YOURSELF-3|7 Videos

  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE- 4 One or more than one correct answer type|13 Videos

Similar Questions

Explore conceptually related problems

Among the following , the wrong statement is

Among the following the wrong statement is

Which among the following pairs is wrong ?

Which among the following is wrong about isodiaphers?

Among the following, the wrong statement on the case of semiconductor is

Which one of the following option is wrong?

Among the following which one is wrong?

NARAYNA-NUCLEI -C.U.Q
  1. Nuclear energy is released in fission since binding energy per nucleon...

    Text Solution

    |

  2. In a critical chain reaction

    Text Solution

    |

  3. Among the following one is wrong

    Text Solution

    |

  4. When 1 gm of U^(235) is completely annihilated energy liberated is E(1...

    Text Solution

    |

  5. In the process of fission, the binding energy per nucleon

    Text Solution

    |

  6. Assertion (A) : Fragments produced in the fission of U^(235) are radio...

    Text Solution

    |

  7. The product of the fission of U^(235) by thermal neutron are

    Text Solution

    |

  8. Consider the following statements A and B. Identify for correct in the...

    Text Solution

    |

  9. The process of fission is responsible for the release of energy in

    Text Solution

    |

  10. The working principle in atom bomb is

    Text Solution

    |

  11. Heavy water is

    Text Solution

    |

  12. Nuclear reactor is surrounded by concrete walls to

    Text Solution

    |

  13. The operation of a nuclear reactor is said to be critical, if the mult...

    Text Solution

    |

  14. Cadmium and Broron rods are used in a nuclear reactor to

    Text Solution

    |

  15. The coolant in the nuclear reactor is

    Text Solution

    |

  16. Substance used to slow down the fast neutrons released during nuclear ...

    Text Solution

    |

  17. If the neutrons reproduction factor K is a) greater than 1 the fiss...

    Text Solution

    |

  18. Ustable fission fragments decay by emitting neutrons and electrons, ne...

    Text Solution

    |

  19. Chain reaction can be initiated by

    Text Solution

    |

  20. The man-made element which was made in the nuclear reactor is

    Text Solution

    |