Activity - Revision history

NRJC: /* About Activity */

2024-05-22T10:57:22Z

‎About Activity

NRJC at 10:38, 19 May 2024

2024-05-19T10:38:30Z

NRJC at 10:38, 19 May 2024

2024-05-19T10:38:11Z

NRJC: /* About Activity */

2024-05-17T16:59:02Z

‎About Activity

NRJC: Created page with "==Key Stage 5== ===Meaning=== In radioactivity, activity is the number of disintegrations per second of a radioactive isotope. ===About Activity=== *Me..."

2024-05-17T16:58:42Z

Created page with "==Key Stage 5== ===Meaning=== In radioactivity, activity is the number of disintegrations per second of a radioactive isotope. ===About Activity=== *Me..."

New page

==Key Stage 5==
===Meaning===
In [[radioactivity]], [[activity]] is the number of disintegrations per [[second]] of a [[radioactive]] [[isotope]].

===About Activity===

*[[Measure]]d in [[becquerels]] (Bq), where 1 Bq equals one disintegration per [[second]].
*Indicates the rate at which a sample of [[radioactive]] [[material]] [[Decay (Physics)|decays]].
*Higher [[activity]] means more frequent emissions of [[radiation]].
===Examples===

*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 10: / Line 10: @@
 *[[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 [[Curie]]s (Ci), where 1 Ci = 3.7 x 10^10 disintegrations per [[second]].
+*[[Activity]] can also be [[measure]]d  in [[Curie]]s (Ci), where 1 Ci = 3.7 x 10<sup>10</sup> disintegrations per [[second]].
 *[[Activity]] is used in various applications including medical imaging, cancer treatment, and radiometric dating.

@@ Line 10: / Line 10: @@
 *[[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]] can also be [[measure]]d  in [[Curie]]s (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.

@@ 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]].
 ===Examples===

@@ Line 5: / Line 5: @@
 ===About Activity===
-*[[Measure]]d  in [[becquerels]] (Bq), where 1 Bq equals one disintegration per [[second]].
+*[[Measure]]d  in [[becquerel]]s (Bq), where 1 Bq equals one disintegration per [[second]].
 *Indicates the rate at which a sample of [[radioactive]] [[material]] [[Decay (Physics)|decays]].
 *Higher [[activity]] means more frequent emissions of [[radiation]].
 ===Examples===
 *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.