PHYSICS : Radioactivity ECZ Graph Question || Harrison J Zulu Tutor

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[@MubuMulobela]

Sir how do you represent two box to represent one cm

[@JairosMaunga]

Am confused on 18.5 , 1.5 i only see 18 but i can't see five.

[@othnelmalambo5088]

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[@JairosMaunga]

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[@JudyHatuleke]

Sir any simple definition for radioactivity

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What is the simple definition of radioactivity sir

[@NatashaMZ3070]

It is the random decay of unstable nucleus to produce radiation

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Exam videos

[@KalungaMwansa-ri5wg]

The best teacher on CZcams, how i wish i mate you last year when i was in kabwe for GCE😢😢..❤❤❤❤❤❤❤

[@othnelmalambo5088]

Does it not required to underline the title?