Home
Class 12
CHEMISTRY
When a radioactive substances is subject...

When a radioactive substances is subjected to a vacuum, the rate of disintergration per second

A

Increases considerably

B

Is not affected

C

Suffers a slight decrease

D

Increases only if the products are gaseous

Text Solution

Verified by Experts

The correct Answer is:
B
As there is no physical change involved in case of radioactive disintegration, so it will not be affected by external changes
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Artificial transmutation )|59 Videos

  • NUCLEAR CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Isotopes-Isotones and Nuclear isomers)|34 Videos

  • NUCLEAR CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Causes of radioactivity and Group displacement law)|66 Videos

  • NITROGEN CONTAINING COMPOUNDS

    ERRORLESS |Exercise JEE (ADVANCED) 2018 MORE THAN ONE CHOICE CORRECT ANSWER|1 Videos

  • ORES, MINERALS AND METALLURGICAL EXTRACTION

    ERRORLESS |Exercise JEE ANSWER TPYE QUESTION (JEE Advanced) 2018) Numeric answer type question|1 Videos

Similar Questions

Explore conceptually related problems

1g of a radioactive substance disintegrates at the rate of 3.7xx10^(10) disintegrations per second. The atomic massof the substance is 226. Calculate its mean life.

1g of a radio active substance disintegrates at the rate of 3.7× 10^10 disintegrations per second.The atomic mass of the substance is 226.Calculate its mean life.

A radioactive substance emanates :

One gram ofo a radioactive substance disintegrates at the rate of 3.7 xx10^(10) disintegarations per second. The atomic mass of the subsatnce is 226 . Calculate its mean life.

When the quantity of a radioactive substance is increased two times, the number of atoms disintegrating per unit time is

The radioactivity of a substance is measured in terms of disintegration per second. Then 3 xx 10^8 dps (disintegration per second) is equal to

ERRORLESS -NUCLEAR CHEMISTRY -Ordinary Thinking (Rate of decay and Half - life)
  1. The half lives of two radioactive nuclides A and B are 1 and 2 min. re...

    Text Solution

    |

  2. If 12g of a sample is taken, then 6g of a sample decays in 1 hr. Find...

    Text Solution

    |

  3. When a radioactive substances is subjected to a vacuum, the rate of di...

    Text Solution

    |

  4. Radioactive decay is a

    Text Solution

    |

  5. If 2.0g of a radioactive isotope has a half-life of 20 hr, the half-li...

    Text Solution

    |

  6. Radioactive lead .(82)Pb^(201) has a half-life of 8 hours. Starting fr...

    Text Solution

    |

  7. If the amount of radioactive substance is increased three times, the n...

    Text Solution

    |

  8. Half life of radioactive element is 100 yrs. The time in which it disi...

    Text Solution

    |

  9. The initial mass of a radioactive element is 40g. How many grams of it...

    Text Solution

    |

  10. The half-life period of a radioactive substance is 8 years. After 16 y...

    Text Solution

    |

  11. The half-life of .(38)^(90)Sr is 20 years. If its sample having initia...

    Text Solution

    |

  12. A wood piece is 11460 years old. What is the fraction of .^(14)C activ...

    Text Solution

    |

  13. 87.5% decomposition of a radioactive substance completes in 3 hours. W...

    Text Solution

    |

  14. The age of a specimen, t, is related to the daughter/parent ratio D/P ...

    Text Solution

    |

  15. If N(0) and N are the number of radioactive particles at time t = 0 an...

    Text Solution

    |

  16. The value of disintegration constant of radioactive isotope

    Text Solution

    |

  17. The radioactivity due to C-14 isotope (half-life = 6000 years) of a sa...

    Text Solution

    |

  18. The half-life of a radioactive element is 6 months. The time taken to ...

    Text Solution

    |

  19. The decay constant of a radioactive element is 3 xx 10^(-6) "min"^(-1)...

    Text Solution

    |

  20. The half life of radium (226) is 1620 years. The time taken to conve...

    Text Solution

    |