7(ii)(b)2023
Short answerEasy1 mark
Radioactivity
Appeared in 10 of the 11 available papers.
Examined in
10 of 11 papers
Appears almost every year — treat as core
Typically worth
10.3 marks
Average per paper it appears in · 103 marks in total
Usual form
Short answer
63% of this chapter's 84 questions
Needs a diagram
17%
14 questions carry a figure — practise drawing them
Question-type distribution
- Short answer53
- Identification10
- Reasoning8
- MCQ7
- Fill in the blank2
- Numerical1
- Definition1
- Diagram1
Most frequent topics
Nuclear physics / radioactivity 44Radioactivity / nuclear physics 4Deflection of nuclear radiations 4Radiation shielding 2Nuclear fission and nuclear energy 1Thermionic emission / free electrons 1Thermionic emission / work function 1Electron emission 1
Showing 25 of 84 matching questions (103 marks).
25 questions
8(ii)(a)2023
Short answerEasy1 mark
8(ii)(b)2023
Short answerEasy1 mark
8(ii)(c)2023
Short answerEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
1(ix)2022
MCQEasy1 mark
1(x)2022
MCQEasy1 mark
4(iii)(a)2022
Short answerEasy1 mark
4(iii)(b)2022
Short answerEasy1 mark
4(iii)(c)2022
Short answerEasy1 mark
- (b).
4(iii)(d)2022
Short answerEasy1 mark
5(iii)(b)2022
Short answerEasy2 marks
6(ii)
A certain beam of α particles, β particles and γ radiations travel through a region of electric field produced between two oppositely charged parallel plates A(+) and B(–).
6(ii)(a)2022
Short answerEasy1 mark
6(ii)(b)2022
Short answerEasy1 mark
6(ii)(c)2022
Short answerEasy1 mark
4(d)2020
Short answerEasy2 marks
10(c)
An atomic nucleus A is composed of 84 protons and 128 neutrons. The nucleus. A emits an alpha particle and is transformed into a nucleus B.
10(c)(i)2020
Short answerEasy1 mark
10(c)(ii)2020
Short answerEasy1 mark
10(c)(iii)2020
Short answerEasy1 mark
10(c)(iv)2020
Short answerEasy1 mark
3(e)2019
ReasoningModerate2 marks
10(b)(i)2019
DefinitionEasy1 mark