Home
Class 12
PHYSICS
1.5 milli gram of gold (molar mass 198 g...

1.5 milli gram of gold (molar mass 198 g/mole) is undergoing radioactive decay having half life of 2.7 days. Find initial activity of substance

A

366 curie

B

466 curie

C

536 curie

D

636 curie

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise SECTION-A|80 Videos

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise SECTION-B|40 Videos

  • JEE MAIN

    JEE MAINS PREVIOUS YEAR|Exercise All Questions|473 Videos

  • JEE MAIN 2022

    JEE MAINS PREVIOUS YEAR|Exercise Question|492 Videos

Similar Questions

Explore conceptually related problems

A certain radioactive element has half-life of 4 days. The fraction of material that decays in 2 days is

_(87)^(223) Ra is a radioactive substance having half life of 4 days Find the problability that a nucleas undergoes after two half lives

7/8 of the original mass of a radioactive substance decays in 30 min. What is the half life of the radioactive substance ?

1 mg gold undergoes decay with 2.7 days half-life period, amount left after 8.1 days is

If 8g of a radioactive substance decays into 0.5 g in 1 h, then the half-life of the substance is

A radioactive sample with half-life 2 days has initial activity 32mu Ci . What will be its activity after 8 days?

The activity of a radioactive sample is 1.6 curie, and its half-life is 2.5 days . Its activity after 10 days will be

If 2.0 g of a radioactive substance has t_(1//2) of 7 days , the half life of 1 g sample is

JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
  1. 1.5 milli gram of gold (molar mass 198 g/mole) is undergoing radioacti...

    Text Solution

    |

  2. A ball of mass 10 kg moving with a velocity 10sqrt3 m//s along the x-...

    Text Solution

    |

  3. As shown in the figure, a particle of mass 10 kg is placed at a point ...

    Text Solution

    |

  4. A particle performs simple harmonic motion with a period of 2 second. ...

    Text Solution

    |

  5. The voltage across the 10 resistor in the given circuit is x volt. ...

    Text Solution

    |

  6. A bullet of mass 0.1 kg is fired on a wooden block to pierce through i...

    Text Solution

    |

  7. Two separate wires A and B are stretched by 2 mm and 4 mm respectively...

    Text Solution

    |

  8. A parallel plate capacitor has plate area 100 m^2 and plate separation...

    Text Solution

    |

  9. The circuit shown in the figure consists of a charged capacitor of cap...

    Text Solution

    |

  10. An npn transistor operates as a common emitter amplifier with a power ...

    Text Solution

    |

  11. A person is swimming with a speed of 10 m/s at an angle of 120° with t...

    Text Solution

    |

  12. A body of mass 2 kg moves under a force of (2hati +3hatj +5hatk) N. It...

    Text Solution

    |

  13. A solid disc of radius 'a' and mass 'm' rolls down without slipping on...

    Text Solution

    |

  14. The energy dissipated by a resistor is 10 mj in 1 s when an electric c...

    Text Solution

    |

  15. For an ideal heat engine, the temperature of the source is 127^(@)C. I...

    Text Solution

    |

  16. In a parallel plate capacitor set up, the plate area of capacitor is 2...

    Text Solution

    |

  17. A deviation of 2^(@) is produced in the yellow ray when prism of crown...

    Text Solution

    |

  18. If one wants to remove all the mass of the earth to infinity in order ...

    Text Solution

    |

  19. A force vecF=4hati+3hatj+4hatk is applied on an intersection point of ...

    Text Solution

    |

  20. A closed organ pipe of length L and an open organ pipe contain gases o...

    Text Solution

    |

  21. A swimmer can swim with velocity of 12 km/h in still water. Water flow...

    Text Solution

    |