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Evan Toh
Nov 7, 20241 min read
Radioactivity - Questions on Penetrating Ability and Applications
2002PPQ38, 2003PPQ38, 2005PPQ37, 2006PPQ38, 2007PPQ39 Answer: Option B Answer: Option D Answer: Option B Answer: Option C Answer: Option...
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Evan Toh
Nov 7, 20241 min read
Radioactivity - Questions on mass number and proton number of the nucleus after decay
2005SPQ20, 2006PPQ40, 2005PPQ38, 2003PPQ39 Answer: Option A Answer: Option D Answer: Option B Answer: Option C Answer: Option B Answer:...
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Evan Toh
Nov 6, 20241 min read
Radioactivity - Questions on Half-life
Half-life of a radioactive nuclide is the time taken for half the nuclei of that nuclide in any sample to decay . (time taken for the...
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Evan Toh
Dec 31, 20231 min read
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