Q4-Determent the number (No)?, where the (R-896* 10¹4 Bq) at time (9h) and the wave length (544*10* nm). using the law R=R₂e²=tf and R₁ = N₂A

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Q4-Determent the number (No)?, where the (R=896* 10¹4 Bq) at time (9h) and the wave length
(544*10* nm).
using the law
R=R₂ ett
and
R₁ = N₁A
*No is the
number of
undecayed nuclei
Transcribed Image Text:Q4-Determent the number (No)?, where the (R=896* 10¹4 Bq) at time (9h) and the wave length (544*10* nm). using the law R=R₂ ett and R₁ = N₁A *No is the number of undecayed nuclei
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