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15
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Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
Radio waves
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15
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Which type of waves are used in broadcasting?
Radio waves
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15
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Mention the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
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15
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A wave has a frequency of 10 hz and a wavelength of 4 m. What is the velocity of the wave?
40 m/s
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15
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How much of the electromagnetic spectrum is visible?
only a small part
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thief
Give points!
5
10
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20
25
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rocket
Go to first place!
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rocket
Go to first place!
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banana
Go to last place!
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15
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Which of the following electromagnetic waves is given off as heat?
Infrared waves
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15
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True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller)
True
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monster
Reset all scores!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
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star
Double points!
Okay!
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gift
Win 15 points!
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lifesaver
Give 25 points!
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15
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How are electromagnetic waves different from other waves?
They can travel through empty space
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15
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Which electromagnetic waves are used in ovens and cell phone communications?
Microwaves
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15
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Which of the following electromagnetic waves has the lowest energy? Gamma rays, Infrared waves, Visible light, microwaves
Microwaves
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15
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What are the units of frequency?
Herz (Hz)
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15
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Which has the LONGEST wavelength and, therefore, the lowest frequency/energy?
Radio waves
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15
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The distance between two crests or two troughs of a wave is called:
wavelength
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