Which among the following can increase or decrease the half-life of a particular radionuclide ?
1. Temperature and Pressure
2. Duration
3. Chemical Combination
Choose the correct option from the codes given below:

Answer: [D] None of them

Half-life is the time it takes for the number of radioactive nuclei originally present in a sample to decrease to one-half of their original number. Thus, if a sample has a half-life of one year, its radioactivity will be reduced to half its original amount at the end of a year and to one quarter at the end of two years. The half-life of a particular radionuclide is always the same, independent of temperature, chemical combination, or any other condition.

This question is a part of GKToday's Integrated IAS General Studies Module