Home
Class 11
PHYSICS
The probability of a radioactive atoms t...

The probability of a radioactive atoms to survive 5 times longer than its half-value period is-

A

`2/5`

B

2x5

C

`2^(-5)`

D

`2^(5)`

Text Solution

Verified by Experts

The correct Answer is:
C

`(N_(0)-N)/(N_(0)) =e^(-lambdat)`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION AND FRICTION

    RESONANCE|Exercise Exercise|56 Videos
  • PART TEST 1

    RESONANCE|Exercise Exercise|30 Videos

Similar Questions

Explore conceptually related problems

What is the probability of a radioactive nucleus to survive one mean life?

The decay constant of a radioactive material is 5 xx 10^(-4) per year.find its half-life period.

If 3//4 quantity of a radioactive substance disintegrates in 2 hours, its half - life period will be

The radioactivity of a certain radioactive element drops to 1//64 of its initial value in 30 seconds. Its half-life is.

The half-life of a radioactive decay is x times its mean life. The value of zx is

If 0.4 curie be the activity of 1 gram of radioactive samples whose atomic mass is 226, then what is the half life period the sample? (1 curie = 3.7 xx 10^(10) "dis" "sec"^(-1))

RESONANCE-NUCLEAR PHYSICS-Exercise
  1. The graph between the binding energy per nucleon (E) and atomic mass n...

    Text Solution

    |

  2. In most stable nuclei neutron number N and proton number Z has the rel...

    Text Solution

    |

  3. The probability of a radioactive atoms to survive 5 times longer than ...

    Text Solution

    |

  4. After emission of an alpha-particle by a radiative element .(84)X^(212...

    Text Solution

    |

  5. The SI unit of activity is-

    Text Solution

    |

  6. The specific activity of radius is nearly-

    Text Solution

    |

  7. After a time equal to four half lives, the amount of radioactive mater...

    Text Solution

    |

  8. The mean of life of a radioactive sample is 100 years. Then after 100 ...

    Text Solution

    |

  9. The count rate of 10 g of radioactive material was measured at differe...

    Text Solution

    |

  10. How many atoms decay in one mean life time of a radioactive sample-

    Text Solution

    |

  11. The half life of radioactive substance is T. Then the fraction of the ...

    Text Solution

    |

  12. The half-life of a radioactive substance is 3h and its activity is 1mu...

    Text Solution

    |

  13. The half -life of cobalt-60 is 5.25 years. How long after a new sample...

    Text Solution

    |

  14. A radioactive element ThA( .(84)Po^(216)) can undergo alpha and beta a...

    Text Solution

    |

  15. A radioactive nuclie decay as follows A overset(alpha)to A(1)overset(b...

    Text Solution

    |

  16. Order of ionization power of alpha, beta and gamma rays is

    Text Solution

    |

  17. In nuclear power station energy of uranium is used for producing-

    Text Solution

    |

  18. The order of magnitude of the density of nuclear matter is=

    Text Solution

    |

  19. The Process by which a heavy nucleus splits into light nuclei is known...

    Text Solution

    |

  20. In equation .(92)U^(235) + .(0)n^1 to .(56)Ba^(144) + .(36)Kr^(89) + X...

    Text Solution

    |