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2017 · M/J · 5054/12 | Q40

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CIE-5054-2017-MJ-p12 · Question 40

May/June 2017 Physics 5054/12: 40 multiple-choice questions, one mark each. No mark is deducted for a wrong answer. Electronic calculators may be used.
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40 What happens to the proton number (atomic number) of a nucleus as it emits an alpha-particle? A It decreases by one. B It decreases by two. C It decreases by four. D It does not change.

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5054/12/M/J/17Cambridge O Level Physics 5054 · May/June 2017 · Paper 1 variant 2 · Question 40