Home
Class 12
CHEMISTRY
The activity of a radioactive isotope is...

The activity of a radioactive isotope is `3000` count per minute at a certai time and `2736` count per minute after `48` h later. The half-life of this isotope is

A

831 h

B

521 h

C

361 h

D

1.44 h

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING

    IIT-JEE PREVIOUS YEAR (CHEMISTRY)|Exercise MATCH THE COLUMN|1 Videos

  • COORDINATION COMPOUNDS

    IIT-JEE PREVIOUS YEAR (CHEMISTRY)|Exercise PHYSICS|16 Videos

Similar Questions

Explore conceptually related problems

The activity of a radioactive sample is measured as 9750 counts per minute at t = 0 and as 975 counts per minute at t = 5 minutes. The decay constant is approximately

The activity of a radioactive sample is measures as N_0 counts per minute at t = 0 and N_0//e counts per minute at t = 5 min . The time (in minute) at which the activity reduces to half its value is.

A sample contanining a radioactive isotope prduces 2000 counts per minutes in a Giege counter. Afte 120hours, the sample produces 250 counts per minutes. What is the half-life of the isotope?

For measuring the activity of a radioactive sample, a count rate meter is used. At certain observation , count rate meter 5050 counts per minute but after 10 minute later , the count rate showed 2300 counts per minute . Calculate the disintegration constant ( lambda )

The activity of a radioactive isotope falls to 12.5% in 90 days. Compute the half life and decay constatn of isotope.

IIT-JEE PREVIOUS YEAR (CHEMISTRY)-CHEMICAL KINETICS-JEE Main And Advanced
  1. The nuclide ratio, .(1)^(3) H to .(1)^(1) H in a sample of water is 8....

    Text Solution

    |

  2. The decompoistion of N(2)O(5) according to the equation 2N(2)O(5)(g) r...

    Text Solution

    |

  3. In a Arrhenius equation for a certain reaction, the values of A and E(...

    Text Solution

    |

  4. AN experiment requires minimum beta activity produced at the rate of 3...

    Text Solution

    |

  5. A first order gas reaction has k = 1.5 xx 10^(-6) s^(-1) at 200^(@)C. ...

    Text Solution

    |

  6. While studying the decompoistion of gaseous N(2)O(5), it is observed t...

    Text Solution

    |

  7. Radioactive decay is a first- order process. Radioactive carbon in woo...

    Text Solution

    |

  8. Calculating time requireed to complete a definite fraction of first or...

    Text Solution

    |

  9. Rate of a reaction A + B rarr Product, is given as a function of diffe...

    Text Solution

    |

  10. The activity of a radioactive isotope is 3000 count per minute at a ce...

    Text Solution

    |

  11. For a reaction, Ato Product, half life measured for two different valu...

    Text Solution

    |

  12. In a consecutive reaction : A to B to C starting with only A

    Text Solution

    |

  13. For a first order chemical raction, which of the following describe th...

    Text Solution

    |

  14. For a general nth order process,AtoP with initial concentration of rea...

    Text Solution

    |

  15. Which of the following is (are) correct for variation of rate constant...

    Text Solution

    |

  16. Which of the following is (are) true for the rate constant of a chemic...

    Text Solution

    |

  17. Assertion : In a chemical reaction, rate of reaction always decreases...

    Text Solution

    |

  18. Assertion: A catalyst increases the rate of a given reaction by greate...

    Text Solution

    |

  19. Match the statemens of Column I with values of Column II.

    Text Solution

    |

  20. Consider the following parallel first order reactions: Half-life ...

    Text Solution

    |