Home
Class 12
PHYSICS
The half life of .92U^(238) against alph...

The half life of `._92U^(238)` against `alpha` -decay is `4.5xx10^9` years. What is the activity of 1g sample of `._92U^(238)`?

A

`3.89xx10^(11)Bq`

B

`3.89xx10^(8)Bq`

C

`1.23xx10^(4)Bq`

D

`1.23xx10^(5)Bq`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS

    DC PANDEY|Exercise for JEE Advanced (only one option is Correct)|77 Videos

  • MODERN PHYSICS

    DC PANDEY|Exercise for JEE Advanced (More than One Options is Correct )|1 Videos

  • MAGNETISM AND MATTER

    DC PANDEY|Exercise Medical gallery|1 Videos

  • MODERN PHYSICS - 1

    DC PANDEY|Exercise Level 2 Subjective|23 Videos

Similar Questions

Explore conceptually related problems

The half life of ._92C^(238) against alpha -decay is 4.5xx10^9 years. What is the activity of 1g sample of ._92C^(238) ?

The half life of ._92U^(238) against alpha decay is 1.5xx10^(17)s . What is the activity of the sample of ._92U^(238) having 2.5xx10^(21) atom?

The half life of ._92^238U undergoing alpha -decay is 4.5xx10^9 years. The activity of 1 g sample of ._92^238U is

The half-life of _92^238U against alpha decay is 4.5xx10^9 year. How much disintegration per second occurs in 1 g of _92^238U ?

The half - life of ._(92)U^(238) against alpha - decay is 4.5 xx 10^(9) years. How many disintegrations per second occur in 1 g of ._(92)U^(238) ?

DC PANDEY-MODERN PHYSICS-Integer Type Questions
  1. The half life of .92U^(238) against alpha -decay is 4.5xx10^9 years. W...

    Text Solution

    |

  2. The ratio between acceleration of the electron in singley ionized heli...

    Text Solution

    |

  3. If the radius of firs Bohr's orbit is x, then de-Broglie wavelenght of...

    Text Solution

    |

  4. A H-atom moving with speed v makes a head on collisioon with a H-atom ...

    Text Solution

    |

  5. The magnetic fieold at the centre of a hydrogen atom due to the motion...

    Text Solution

    |

  6. when the voltage applied to an X-ray tube increases from V(1) = 10 kV ...

    Text Solution

    |

  7. Light of wavelength 330nm falling on a piece of metal ejects electrons...

    Text Solution

    |

  8. Light of wavelength 0.6mum from a sodium lamp falls on a photocell and...

    Text Solution

    |

  9. An alpha-particle accelerated through V volt is fired towards a nucleu...

    Text Solution

    |

  10. The kinetic energies of the photoelectrons ejected from a metal surfac...

    Text Solution

    |

  11. In a hydrogen atom following the Bohr's psotulates the product of line...

    Text Solution

    |

  12. A target element A is bombarded with electrons and the wavelengths of ...

    Text Solution

    |

  13. A moving hydrogen atom makes a head on collision with a stationary hy...

    Text Solution

    |

  14. A radioactive sample contains two different types of radioactive nucle...

    Text Solution

    |

  15. A overset(lambda)rarr B overset(2 lambda)rarr C T=0 ,N(0) , 0 , T...

    Text Solution

    |

  16. In a photeclectric experiment , when electromegnetic wave given by E=E...

    Text Solution

    |

  17. Nuclei X and Y convert into a stable nucleus Z. At t=0 , the number o...

    Text Solution

    |

  18. Single electron is orbiting in n^(th)orbit of hydrogen atom. The magne...

    Text Solution

    |