IG Phy – Uses of Eectromagnetic Waves (I)
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Question 1 of 10
1. Question
1 point(s)Astronomers use radio waves to detect and image distant objects in space.
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Question 2 of 10
2. Question
1 point(s)RFID tags use microwaves to identify and track objects.
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Question 3 of 10
3. Question
1 point(s)Microwaves are effectively high-frequency radio waves.
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Question 4 of 10
4. Question
1 point(s)Microwaves are used in radar to find the position of planes, ships, and rain clouds.
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Question 5 of 10
5. Question
1 point(s)The internal energy of food increases when microwaves are used in cooking.
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Question 6 of 10
6. Question
1 point(s)Microwaves cannot pass through the atmosphere of the Earth.
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Question 7 of 10
7. Question
1 point(s)Infrared waves are used in remote controls for televisions and other electronic gadgets.
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Question 8 of 10
8. Question
1 point(s)Thermograms are images that show visible light waves emitted from objects.
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Question 9 of 10
9. Question
1 point(s)Infrared waves are used in intruder alarm systems.
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Question 10 of 10
10. Question
1 point(s)Visible light is part of the electromagnetic spectrum and is important for human vision.
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