Home
Class 12
PHYSICS
The operation of a nuclear reactor is sa...

The operation of a nuclear reactor is said to be critical, if the multiplication factor (k) has a value

A

1

B

1.5

C

2.1

D

2.5

Text Solution

Verified by Experts

The correct Answer is:
A
If k is greater than one, the reaction rate and the reaction power increase exponentially.
Promotional Banner

Topper's Solved these Questions

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Radioactivity)|78 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Past Years Questions|67 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Assertion and Reason|23 Videos

  • ALTERNATING CURRENT

    ERRORLESS|Exercise Assertion & Reason|13 Videos

  • CURRENT ELECTRICITY

    ERRORLESS|Exercise ASSERTION AND REASON|26 Videos

Similar Questions

Explore conceptually related problems

Consider the following statements A and B . Identify for correct in the given answer. A) p-n , p-p, n-n forces between nucleons are not equal and charge dependent. B) In nuclear reactor the fission reaction will be in accelerating state if the value of neutron reproduction factor K gt 1

Consider the following statements : 1. The chain reaction process is used in nuclear bombs to release a vast amount of energy, but in nuclear reactors, there is no chain reaction. 2. In a nuclear reactor, the reaction is controlled, while in nuclear bombs, the reaction is uncontrolled. 3. In a nuclear reactor, all operating reactors are 'critical', while there is no question of 'criticality' in case of a nuclear bomb. 4. Nuclear reactors do not use moderators, while nuclear bombs use them. Which of the above statements about operational principles of a nuclear reactor and a nuclear bomb is/are correct?

Which of the following has highest K_(a) value?

The value of compressibility factor at the critical state the gas matches with the Z_(c ) is

Rearrange the following five segments (A), (B), (C), (D) and (E) in the proper sequence to form a meaningful paragraph, then answer the questions given below them. NPCIL is a dividend-paying company with the highest credit rating of AAA by CRISIL and CARE At present, NPCIL operates 22 nuclear power reactors with an installed capacity of 6780 MW. NPCIL is responsible for siting, design, construction, commissioning and operation of nuclear power reactors. Nuclear Power Corporation of India Limited (NPCIL), formed in 1987, is a Public Sector Enterprise under the administrative control of Department of Atomic Energy (DAE). Safety is given overriding priority in all facets of nuclear power reactors. Which is the first sentence according to the paragraph?

Rearrange the following five segments (A), (B), (C), (D) and (E) in the proper sequence to form a meaningful paragraph, then answer the questions given below them. NPCIL is a dividend-paying company with the highest credit rating of AAA by CRISIL and CARE At present, NPCIL operates 22 nuclear power reactors with an installed capacity of 6780 MW. NPCIL is responsible for siting, design, construction, commissioning and operation of nuclear power reactors. Nuclear Power Corporation of India Limited (NPCIL), formed in 1987, is a Public Sector Enterprise under the administrative control of Department of Atomic Energy (DAE). Safety is given overriding priority in all facets of nuclear power reactors. Which is the second sentence according to the passage?

Rearrange the following five segments (A), (B), (C), (D) and (E) in the proper sequence to form a meaningful paragraph, then answer the questions given below them. NPCIL is a dividend-paying company with the highest credit rating of AAA by CRISIL and CARE At present, NPCIL operates 22 nuclear power reactors with an installed capacity of 6780 MW. NPCIL is responsible for siting, design, construction, commissioning and operation of nuclear power reactors. Nuclear Power Corporation of India Limited (NPCIL), formed in 1987, is a Public Sector Enterprise under the administrative control of Department of Atomic Energy (DAE). Safety is given overriding priority in all facets of nuclear power reactors. Which is the third sentence according to the paragraph?

ERRORLESS-ATOMIC AND NUCLEAR PHYSICS-NCERT BASED QUESTIONS (Nucleus, Nuclear Reaction)
  1. In nuclear reaction .(4)Be^(9)+.(2)He^(4)rarr.(6)C^(12)+X,X will be

    Text Solution

    |

  2. The function of the cadmium rod in a nuclear reactor is

    Text Solution

    |

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

    Text Solution

    |

  4. Heavy water is used as moderator in a nuclear reactor. The function of...

    Text Solution

    |

  5. What is the energy of photon of wavelength 24800 Å?

    Text Solution

    |

  6. A deutron is bombarded on .8 O^16 nucleus and alpha-particle is emitte...

    Text Solution

    |

  7. In the reaction .1^2 H + .1^3 H rarr .2^4 He + .0^1 n, if the binding ...

    Text Solution

    |

  8. The function of a moderator in a nuclear reactor is

    Text Solution

    |

  9. An atomic power nuclear reactor can deliver 300 MW. The energy release...

    Text Solution

    |

  10. what is the missing particle or nuclide in the box square, in the foll...

    Text Solution

    |

  11. In the nuclear reaction : X (n, alpha)3 Li^7 the term X will be 3

    Text Solution

    |

  12. In a nuclear reactor, moderators slow down the neutrons which come out...

    Text Solution

    |

  13. Energy generation in starts is mainly due to

    Text Solution

    |

  14. Which one of the following unclear reactions is a source of energy in ...

    Text Solution

    |

  15. Hydrogen bomb is based on which of the following phenomena ?

    Text Solution

    |

  16. If in a nuclear fusion process the masses of the fusing nuclei be m(1)...

    Text Solution

    |

  17. If 200 MeV energy is released in the fission of a single U^235 nucleus...

    Text Solution

    |

  18. Nuclear fission experiments show that the neutrons split the uranium n...

    Text Solution

    |

  19. Nuclear fusion is common to the pair

    Text Solution

    |

  20. The mass number of a nucleus is

    Text Solution

    |