Home
Class 12
PHYSICS
In Fig. X represents time and Y represe...

In Fig. X represents time and Y represent activity of a radioactive sample. Then the activity of sample, varies with time according to the curve

A

A

B

B

C

C

D

D

Text Solution

Verified by Experts

The correct Answer is:
B
Activity `= (-dN)/(dt)= lamda N= lamda N_(0) e^(-lamda t)`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Past Years Questions|67 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Assertion and Reason|23 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Nucleus, Nuclear Reaction)|57 Videos

  • ALTERNATING CURRENT

    ERRORLESS|Exercise Assertion & Reason|13 Videos

  • CURRENT ELECTRICITY

    ERRORLESS|Exercise ASSERTION AND REASON|26 Videos

Similar Questions

Explore conceptually related problems

The activity of a radioactive sample

The activity of a radioactive sample is independent of

The curve between the activity A of a radioactive sample and the number of active atoms N is.

20% radioactive sample decay in time t. How much sample decay in time 2t ?

7/8th of the active nuclei present in a radioactive sample has decayed in 8 s. The half-life of the sample is

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

The activity of a radioactive sample drops fo 1//32 of its initial value in 7.5 h. Find the half life ?

The activity of a radioactive sample goes down to about 6% in a time of 2 hour. The half-life of the sample in minute is about

Let T be the mean life of a radioactive sample. 75% of the active nuclei present in th sample initially will deacy in time

In the previous question , the activity of the sample after time t will be

ERRORLESS-ATOMIC AND NUCLEAR PHYSICS-NCERT BASED QUESTIONS (Radioactivity)
  1. The activity of a radioactive element decreased to one - third of orig...

    Text Solution

    |

  2. A radioactive sample has N0 active at t = 0 . If the rate of disintegr...

    Text Solution

    |

  3. In Fig. X represents time and Y represent activity of a radioactive s...

    Text Solution

    |

  4. A nucleus has a half-life of 30 minutes. At 3 PM its decay rate was m...

    Text Solution

    |

  5. Half-life of radioactive sample, when activity of material initially w...

    Text Solution

    |

  6. The number of nuclei of two radioactive substance is the same and thei...

    Text Solution

    |

  7. Find the decay rate of the substance having 4xx10^15 atoms. Half life ...

    Text Solution

    |

  8. The activity of a sample of radioactive material A(1) at time t(1) and...

    Text Solution

    |

  9. A small quantity of solution containing ""^(24)Na radio nuclide (half...

    Text Solution

    |

  10. A freshly prepared radioactive sample of half-life 4 hours emits radia...

    Text Solution

    |

  11. The decay constant of a radioactive sample is lambda. The half-life an...

    Text Solution

    |

  12. A radioactive substance emits 100 beta particles in the first 2 second...

    Text Solution

    |

  13. A radioactive nucleus A has a single decay mode with half life tau(A)....

    Text Solution

    |

  14. Two species of radioactive atoms are mixed in equal number. The disint...

    Text Solution

    |

  15. .^22 Ne nucleus after absorbing energy decays into two alpha-particles...

    Text Solution

    |

  16. The compositon of an alpha particle can be expressed as

    Text Solution

    |

  17. During a negative beta decay,

    Text Solution

    |

  18. The energy spectrum of beta - particle [number N€ as a function of bet...

    Text Solution

    |

  19. M(x) and M(y) denote the atomic masses of the parent and the daughter ...

    Text Solution

    |

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

    Text Solution

    |