Physics Assignment- Solutions (Doc)

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Added on 2019-11-26

Physics Assignment- Solutions (Doc)

Added on 2019-11-26

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Running head: PHYSICS 0PHYSICSName of StudentInstitution Affiliation

PHYSICS 21.a). b). TimeActivityLn (Activity)03000010..3091119009.84245708.427318207.506

PHYSICS 347206.579After using the above values the graph of Ln activity against time was plotted as below;c). The activity increases from 5000 to 10000 within 1.5 seconds, therefore the half-life for this decay is 1.5 seconds[CITATION Rob122 \l 1033 ]. d). i. 3.0 seconds Activity A= A02 - t/T1/2 A= 30000× 2-1.5/3

PHYSICS 4A=30000× 2 -0.5A=30000× 0.07071A=21213.2 ii. 10.5 seconds Activity A= A02 - t/T1/2 A= 30000× 2-1.5/10.5A=30000× 2 -0.1428A=30000× 0.905A=27171.7 e). Mean life = Halflifeln2Mean life = 1.50.693Mean life = 2.164 f).

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