10(b)(ii)2019
Short answerEasy2 marks
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
10(b)
The ore of Uranium found in nature contains (²³⁸₉₂U) and (²³⁵₉₂U). Although both the isotopes are fissionable, it is found out experimentally that one of the two isotopes is more easily fissionable.
10(b)(i)2018
Short answerEasy1 mark
10(b)(ii)2018
ReasoningModerate1 mark
10(b)(iii)2018
Short answerEasy1 mark
10(c)
Radiations given out from a source when subjected to an electric field in a direction perpendicular to their path are shown in the diagram. The arrows show the path of the radiation A, B and C. Answer the following question in terms of A, B and C.
10(c)(i)2018
Short answerEasy1 mark
10(c)(ii)2018
ReasoningModerate1 mark
10(c)(iii)2018
Short answerEasy1 mark
10(c)(iv)2018
Short answerEasy1 mark
5(b)(iii)2017
Short answerEasy1 mark
10(a)
Answer the following questions based on a hot cathode ray tube.
10(a)(i)2017
Short answerEasy1 mark
10(a)(ii)2017
Short answerEasy1 mark
10(a)(iii)2017
Short answerEasy1 mark
10(c)(i)2017
Short answerEasy1 mark
10(c)(ii)2017
ReasoningModerate1 mark
10(c)(iii)2017
Short answerEasy2 marks