Home
Class 12
PHYSICS
The graph between the instantaneous conc...

The graph between the instantaneous concentration (N) of a radioactive element and time (t) is.

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
By using `N=Ne^(-lamdat)`
It shows that N decreases exponentially with time.
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    DC PANDEY|Exercise B Medical entrance special format questions|9 Videos

  • NUCLEI

    DC PANDEY|Exercise MATCH THE COLUMNS|4 Videos

  • NUCLEI

    DC PANDEY|Exercise CHECK POINT 13.3|15 Videos

  • MODERN PHYSICS - 2

    DC PANDEY|Exercise Level 2 Subjective|10 Videos

  • RAY OPTICS

    DC PANDEY|Exercise Medical entrance gallary|76 Videos

Similar Questions

Explore conceptually related problems

The graph between number of decayed atoms N' of a radioactive element and time t is.

99 % of a radioactive element will decay between

The graph between instantaneous velocity and acceleration of a particle performing S.H.M. is

The graph plotted between concentration versus time

The graph between remaining radioactive atoms and time for a radioactive decay is

The graph between concentration (X) of the Product and time of the reaction Ararr B is of the type 1 . Hence, graph between -(d[A])/(dt) and time will be of the type:

The graph shows how the count-rate A of a radioactive source varies with time t. A and t are related as: (assume in (12)=2.5)

For the reaction AtoB , for which graph between half life (t_(1//2)) and initial concentration (a) of the rectant is given below Hence graph between -(d[A])/(dt) and time will be:

DC PANDEY-NUCLEI-CHAPTER EXERCISES
  1. A radioactive sample has N0 active at t = 0 . If the rate of disintegr...

    Text Solution

    |

  2. The plot of the number (N) of decayed atoms versus activity (R) of a r...

    Text Solution

    |

  3. The graph between the instantaneous concentration (N) of a radioactive...

    Text Solution

    |

  4. Two redioactive materials X(1)andX(2) have decay constants 10lamdaandl...

    Text Solution

    |

  5. Two redioactive nuclei A and B have disintegration constants lamda(A)a...

    Text Solution

    |

  6. What is the binding energy per nucleon of (6)C^(12)nucleus? Given , ...

    Text Solution

    |

  7. A radioactive isotope X with a half-life of 1.37 xx 109 years decays t...

    Text Solution

    |

  8. The energy released by the fission of a single uranium nucleus is 200 ...

    Text Solution

    |

  9. A common example of beta-"decay" is ""(15)P^(32)to""(16)P^(32)+x+y ...

    Text Solution

    |

  10. A nucleus with Z =92 emits the following in a sequence: alpha,beta^(...

    Text Solution

    |

  11. Binding energy per nucleons vs mass curve for nucleus is shown in the ...

    Text Solution

    |

  12. Tritium is an isotope of hydrogen whose nucleus triton contains 2 neut...

    Text Solution

    |

  13. The gravitational force between a H-atom and another particle of mass ...

    Text Solution

    |

  14. In a sample of radioactive material, what fraction of initial number o...

    Text Solution

    |

  15. In a radioactive sample, the fraction of initial number of redioactive...

    Text Solution

    |

  16. At any instant, the ratio of the amounts of two radioactive substance ...

    Text Solution

    |

  17. A radioactive isotope X with half-life 1.5xx10^(9) yr decays into a st...

    Text Solution

    |

  18. The half-life of a sample of a radioactive substance is 1 hour. If 8 x...

    Text Solution

    |

  19. Half-life of a radioactive substance is 20 minutes. Difference between...

    Text Solution

    |

  20. A and B are two radioactive substances whose half lives are 1 and 2 ye...

    Text Solution

    |