Home
Class 12
CHEMISTRY
If 50second are required to decay 2//3rd...

If 50second are required to decay 2//3rd fraction of a radionactive sample, what fraction will be left after 25sec?

A

`(1)/(2)`

B

`(1)/(sqrt3)`

C

`(1)/(3)`

D

`sqrt((2)/(3))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise Reasoning Type|14 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise Multiple Objective type|40 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise compllcatio in first order reactions|17 Videos

  • CHEMICAL BONDING-I

    GRB PUBLICATION|Exercise Subjective Type|120 Videos

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise SBJECTIVE TYPE|98 Videos

Similar Questions

Explore conceptually related problems

Mean life of a radioactive sample is t_0 . What fraction of sample remains left after time t_0ln_2 ?

What fraction of a radiactive sample has decayed after two half-lives have elapsed?

The half of a radioactive sample is 2n year. The fraction left undecyed after n year is:

If time t is required for a radioactive substance to become one third of its initial amount, what fraction would be left after 0.5 t ?

The fraction quantity of a radiactive sample will decay during half of its half-life period is

Tritium has a half life of 12.5 years against beta decay. What fraction of a sample of pure tritium will remain undecayed after 25 years?

What fraction does 25% represent?

The half life period of a sample is 100 second. If we take 40 gram of the radioactive sample, then after 400 second how much substance will be left undecayed ?

A fraction when added to 7/3 gives 4. what is the fraction?

GRB PUBLICATION-CHEMICAL KINETICS-Nuclear Chemistry
  1. If half lives of a radioactive element, undergoing parallel path alpha...

    Text Solution

    |

  2. A sample of rock from moon contains atoms of uranium and lead in the r...

    Text Solution

    |

  3. If 50second are required to decay 2//3rd fraction of a radionactive sa...

    Text Solution

    |

  4. Predict the final product © in following nuclear decay process: .(82)P...

    Text Solution

    |

  5. The activity of a radioactive sample initially is 3200 dps and after ...

    Text Solution

    |

  6. In the sequences of the following .(92)Xe^(238) overset(-alpha)to Y ...

    Text Solution

    |

  7. .(13)^(27)Al is a stble isotope. .(13)^(29)Al is expected disintegrate...

    Text Solution

    |

  8. Loss of a beta-"particle" is equivalent to:

    Text Solution

    |

  9. Two radioactive material A(1) and A(2) and decay constant of 10lambda(...

    Text Solution

    |

  10. Consider the following nuclear reactions : .(92)^(238)M to (Y)^(X)N+...

    Text Solution

    |

  11. Helium nuclei combines to form an oxygen nucleus. The energy released ...

    Text Solution

    |

  12. Read the following : (i) The half - life period of a radioactive ele...

    Text Solution

    |

  13. Which of the following processes represents a gamma-decay only.

    Text Solution

    |

  14. Let F(PP),F(Pn) and F("nn") denote the magnitude of net force by a pro...

    Text Solution

    |

  15. The half-life of Tc^(99) is 6.0 hr. The delivery of a sample of Tc^(99...

    Text Solution

    |

  16. A sample contains 0.1 gram-atom of radioactive isotope .(Z)^(A)(t(1//2...

    Text Solution

    |

  17. The average (mean) life at a radio nuclide which decays by parallel pa...

    Text Solution

    |

  18. A sample of .^(14)CO(2) was to be mixed with ordinary CO(2) for a biol...

    Text Solution

    |

  19. Wooden article and freshly cut tree show activity 7.6 and 15.2 min""^(...

    Text Solution

    |

  20. A radioactive sample had an initial activily of 56 dpm (disintegratio...

    Text Solution

    |