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Question 1
Question
What are gamma rays used for?
Answer
-
Night vision equipment
-
Radiotherapy
-
CT scans
Question 2
Question
How can radio waves be detected?
Answer
-
Resonance in electronic circuits
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The eye
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Heating of skin
Question 3
Question
What are the common uses of microwaves (the waves)?
Answer
-
Satellite navigation
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TV signals
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Disco lights
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Mobile phones
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Heaters
Question 4
Question
All EM waves are longitudinal
Answer
- True
- False
Question 5
Question
X-rays can be produced by nuclear decay
Answer
- True
- False
Question 6
Question
What are the possible wavelengths of visible light?
Answer
-
10^-12 - 10^-7
-
10^-3 - 7.4 x 10^-7
-
7.4x10^-7 - 3.7x10^-7
Question 7
Question
Which of the following images is an example of the use of ultraviolet waves?
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