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Modern Physics

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29 Mar 2008 20:26:07 IST

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radioactivty of a sample is R1 at time T1 and R2 at time T2.If the half life of the specimen is T, the number of atoms that have disintegrated in time (T2 -T1) is proportional to

(a) R1T1-R2T2

(b)R1-R2

(c)R1-R2/T

(d)(R1-R2)T

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sunip dutta

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Joined: 24 Aug 2007

Posts: 211

29 Mar 2008 20:44:39 IST

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is it B)

mohit jain

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Joined: 4 Feb 2008

Posts: 861

30 Mar 2008 09:57:45 IST

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D?????????????

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