Question

The half - life period of radioactive element depends upon:

• A. the amount of the element
• B. the temperature
• C. the pressure
• D. none of the above

Answer 1

The correct option is D none of the above

The half life period of a radioactive element is the time required for a quantity to fall to half its value as measured at the beginning of time period. It does not depend on the temperature, concentration or the amount of element, but just depends on the time factor.