7(a)(ii)2020
Short answerEasy1.5 marks
Spectrum
Appeared in 9 of the 11 available papers.
Examined in
9 of 11 papers
Appears in most years
Typically worth
4.9 marks
Average per paper it appears in · 44 marks in total
Usual form
Short answer
31% of this chapter's 36 questions
Needs a diagram
17%
6 questions carry a figure — practise drawing them
Question-type distribution
- Short answer11
- MCQ9
- Identification8
- Numerical3
- Reasoning3
- Diagram1
- Definition1
Most frequent topics
Electromagnetic spectrum / scattering 12Spectrum / scattering 3Infrared radiation 3Electromagnetic spectrum order 2Common properties of electromagnetic waves 2Infrared radiation and greenhouse gases 1Detecting infrared radiation 1Speed of light and wavelength in vacuum 1
Showing 11 of 36 matching questions (44 marks).
11 questions
7(a)
Give reasons for the following :
1(d)(i)2018
NumericalModerate1 mark
3(c)2017
NumericalModerate2 marks
9(a)(ii)2017
DiagramModerate2 marks
2(b)2016
NumericalModerate2 marks
2(d)
State the dependence of angle of deviation :
2(d)(ii)2016
Short answerEasy1 mark
7(c)2016
ReasoningModerate4 marks