Difference between revisions of "Activity"

Revision as of 10:38, 19 May 2024

In radioactivity, activity is the number of disintegrations per second of a radioactive isotope.

Measured in becquerels (Bq), where 1 Bq equals one disintegration per second.
Indicates the rate at which a sample of radioactive material decays.
Higher activity means more frequent emissions of radiation.
Activity decreases over time as the radioactive material decays.
Related to the half-life of the radioactive isotope, which is the time taken for half of the isotope to decay.
Activity can also be measured in curies (Ci), where 1 Ci = 3.7 x 10^10 disintegrations per second.
Activity is used in various applications including medical imaging, cancer treatment, and radiometric dating.

Medical tracers have high activity to ensure they emit detectable radiation within a short time.
Radon detectors measure the activity of radon gas in homes to assess safety.

@@ Line 8: / Line 8: @@
 *Indicates the rate at which a sample of [[radioactive]] [[material]] [[Decay (Physics)|decays]].
 *Higher [[activity]] means more frequent emissions of [[radiation]].
+*[[Activity]] decreases over [[time]] as the [[radioactive]] [[material]] [[Decay (Physics)|decays]].
+*Related to the half-life of the [[radioactive]] [[isotope]], which is the [[time]] taken for half of the [[isotope]] to [[Decay (Physics)|decay]].
+*[[Activity]] can also be [[measure]]d  in [[curies]] (Ci), where 1 Ci = 3.7 x 10^10 disintegrations per [[second]].
+*[[Activity]] is used in various applications including medical imaging, cancer treatment, and radiometric dating.
 ===Examples===