Home
Class 12
PHYSICS
The half-life of a radioactive element i...

The half-life of a radioactive element is 100 minutes . The time interval between the stage to 50% and 87.5% decay will be:

A

25 minutes

B

30 minutes

C

10 minutes

D

40 minutes

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Evaluation test|19 Videos

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Critical Thinking|62 Videos

  • CIRCULAR MOTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos

Similar Questions

Explore conceptually related problems

The half life of radioactive element is 20 min . The time interval between the stages of its 33% and 67% decay is

The average life of a radioactive element is 7.2 min. Calculate the time travel (in min) between the stages of 33.33% and 66.66% decay

The half-life of a radioactive substance is 20 min. the time taken between 50% decay and 87.5% decay of the substane will be

If half life of an radioactive element is 20min. Find the time interval of 33% decay and 67%

The half-life of a radioactive substance is 30 minutes, The time (in minutes) taken between 40 % decay and 85 % decay of the same radioactive substance is.

Half life of radioactive element is 100 yrs. The time in which it disintegrate 50% of its mass will be

Half life of a radio-active substance is 20 minutes. The time between 20 % and 80 % decay will be

TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Competitive Thinking
  1. If the half-life of a radioactive sample is 10 hours its mean life is

    Text Solution

    |

  2. A radioactive nucleus A with a half life T, decays into nucleus B. At ...

    Text Solution

    |

  3. The half-life of a radioactive element is 100 minutes . The time inte...

    Text Solution

    |

  4. The half-life of a radioactive substance is 30 minutes, The time (in m...

    Text Solution

    |

  5. Half life of a radio-active substance is 20 minutes. The time between ...

    Text Solution

    |

  6. Half-life of a radioactive substance A and B are, respectively, 20 min...

    Text Solution

    |

  7. A sample contains 16 gm of radioactive material, the half-life of whic...

    Text Solution

    |

  8. The half-life of tritium is 12.5 years. What mass of tritium of initia...

    Text Solution

    |

  9. A radioactive sample of half life 10 days contains 1000X nuclei. Numbe...

    Text Solution

    |

  10. A radioactive element has rate of disintegration 10,000 disintegrat...

    Text Solution

    |

  11. A certain radioactive element disintegration with a decay constant of ...

    Text Solution

    |

  12. A sample of a radioactive element has a mass of 10 g at an instant t=0...

    Text Solution

    |

  13. If the half life of a radioactive nucleus is 3 days nearly, what fract...

    Text Solution

    |

  14. In the given nuclear reaction A, B, C, D, E represents .92 U^238 rarr^...

    Text Solution

    |

  15. A radioactive element X disintegrates successively Xoverset(beta^(-)...

    Text Solution

    |

  16. A radiaoactive nucleus (initial mass number A and atomic number Z emit...

    Text Solution

    |

  17. In the decay series .(92)U^(238) to .(82)Pb^(206), how many alpha-pari...

    Text Solution

    |

  18. A radioactive element .90 X^238 decay into .83 Y^222. The number of be...

    Text Solution

    |

  19. Two radioactive substances X and Y initially contain an equal number o...

    Text Solution

    |

  20. The de Broglie wavelength lambda of a particle

    Text Solution

    |