Edexcel IGCSE Physics 3.12 uses of EM radiation
Practise EM-radiation uses by selecting the correct wave for devices, medicine or communication and explaining why the radiation fits.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- Match EM waves to uses such as microwaves for cooking or gamma rays for sterilising.
- Explain why fluorescent coatings turn ultraviolet radiation into visible light for lamps.
- Choose suitable radiation for a stated use, giving the relevant property or context.
3.12 Uses of EM radiation question 1
[Maximum number: 2]
This question is about waves.
Question (a)
(a)
Which of these is a use for x-rays?
A
checking for broken bones
B
cooking food
C
detecting forged banknotes
D
smoke detectors
[ 1 ]
A
Question (b)
(b)
Which of these is a use for infrared waves?
A
checking for broken bones
B
cooking food
C
detecting forged banknotes
D
sterilising medical instruments
[ 1 ]
B
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