To: (a) show that d N 210 d t = λ 226 N 226 - λ 210 N 210 (b) calculate the ratio of activities R 226 /R 210 in the sample of the lead ore. (c) calculate the ratio of their numbers N 226 /N 210 . (d) calculate the ratio of activities R 226 /R 210 in the sample of the lead ore, when only 1% of R 226 remains. (e) calculate the ratio of the number N 226 /N 210 in the sample of the lead ore, when only 1% of R 226 remains. (f) find if the Emmaus was painted by Vermeer or by van Meegeren.

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Chapter 42, Problem 96P

To determine

To:

(a) show that

dN210dt = λ226 N226 - λ210N210

(b) calculate the ratio of activities R₂₂₆/R₂₁₀ in the sample of the lead ore.

(c) calculate the ratio of their numbers N₂₂₆/N₂₁₀.

(d) calculate the ratio of activities R₂₂₆/R₂₁₀ in the sample of the lead ore, when only 1% of R₂₂₆ remains.

(e) calculate the ratio of the number N₂₂₆/N₂₁₀ in the sample of the lead ore, when only 1% of R₂₂₆ remains.

(f) find if the Emmaus was painted by Vermeer or by van Meegeren.

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