Home
Class 12
PHYSICS
The half-life of a radiactive substance ...

The half-life of a radiactive substance depends upon:

A

Its temperature

B

The external pressure on it

C

The mass of the substance

D

The strength of the nuclear force between the nucleons of its atom

Text Solution

Verified by Experts

The correct Answer is:
D
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

The half-life of a radioactive substance is 10 days. This means that

A radioactive substance reduces to 1/32 of its original value in 300 days. The half life of radioactive substance is

The half-life of a radioactive substance is 2 years. The probability that a nucleus will decay in three half-lives is

The relationship between decay constant lamda and half-life T of a radioactive substance is

A experiment is done to determine that half life of a radiactive substance that emits one beta particle of each decays process Measurements show that an average of 8.4 beta particles are emitted each second by 2.5 milligram of the substance. The atomic weight of the substance is 230. Find the half life of the substance.

The half - life of a radioactive substance is 50 days. The substance will disintegrate completely in

Assertion In one half-life of a radioactive substance more number of nuclei are decayed than in one average life. Reason Average life = Half -life/in (2)

The half life of a radioactive substance is 24 hours. Time required for 12.5% of the original radioactive substance W remain is

The half-life period of a radioactive substance is 5 min . The amount of substance decayed in 20 min will be

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

    |