Home
Class 12
PHYSICS
Fast neutrons can easily be slowed down ...

Fast neutrons can easily be slowed down by

A

The use of lead shielding

B

Passing them through water

C

Elastic collisions with heavy nuclei

D

Applying a strong electric field

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR PHYSICS AND RADIOACTIVITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise Concptual MCQs|48 Videos
  • MAGNETIC EFFECTS OF CURRENT AND MAGNETISM

    PHYSICS GALAXY - ASHISH ARORA|Exercise U.N.P|79 Videos
  • PHOTOELECTRIC EFFECT AND MATTER WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved numerical problems|42 Videos

Similar Questions

Explore conceptually related problems

Explain how fast moving neutrons can be quickly slowed down by passing through water or heavy water?

The velocity of neutrons in nuclear is slowed down by

In an atomic reactor fast moving neutrons are slowed down to thermal energies by colliding them with

Assertion: In u_(235) fission reaction neutrons are required to be slowed down. Reason: The probability of capture of slow moving neutrons in high for u_(235) .

PHYSICS GALAXY - ASHISH ARORA-NUCLEAR PHYSICS AND RADIOACTIVITY-Concptual MCQs
  1. A carbon nucleus emits a particles x and changes into nitrogen accordi...

    Text Solution

    |

  2. .(92)^(239)U decays emitting a beta-particle producing neptunium nucle...

    Text Solution

    |

  3. The half-life of a radiactive substance depends upon:

    Text Solution

    |

  4. The half-life period of a radio-active element X is same as the mean l...

    Text Solution

    |

  5. In the given reaction .z X^A rarr .(z+1)Y^A rarr .(z-1) K^(A - 4) ra...

    Text Solution

    |

  6. The nuclear reaction .(48)^(107)Cdrarr.(47)^(107)Ag can occur with the...

    Text Solution

    |

  7. Two radioactive elements X and Y have half-life periods of 50 min and ...

    Text Solution

    |

  8. When a beta^(-) particle is emitted from a nucleus, the neutrons-proto...

    Text Solution

    |

  9. In the given reaction .z X^A rarr .(z+1)Y^A rarr .(z-1) K^(A - 4) ra...

    Text Solution

    |

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

    Text Solution

    |

  11. In the Rutherford experiment, alpha-particles are scattered from a nuc...

    Text Solution

    |

  12. The decay constant lambda of a radioactive sample:

    Text Solution

    |

  13. When high energy alpha particles (.(2)^(4)He) pass through nitrogen ga...

    Text Solution

    |

  14. When a boron nucleus (5^10B) is bombarded by a neutron, an alpha-parti...

    Text Solution

    |

  15. Consider a particle , beta particle and gamma - rays , each having an ...

    Text Solution

    |

  16. A radioactive nucleus emits a beta particle. The parent and daughter n...

    Text Solution

    |

  17. Fast neutrons can easily be slowed down by

    Text Solution

    |

  18. A nucleus ruptures into two nuclear parts, which have their velocity r...

    Text Solution

    |

  19. For nuclei with Agt100, mark the INCORRECT statement:

    Text Solution

    |

  20. Binding energy per nucleons vs mass curve for nucleus is shown in the ...

    Text Solution

    |