EM Spectrum Part I

Cell phones and televisions use this type of EM wave.  It has the longest wavelength with the lowest frequency.

• radio wave
• tv wave
• Gamma wave
• ultra violet

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Which portion of the electromagnetic spectrum includes the range of light that can be detected by the human eye? 

• ultraviolet light
• visible light
• infrared light
• x-rays

If the wavelength of an electromagnetic wave is longer, what is true about the energy? 

• Energy is higher.
• Energy is lower. 
• Energy is not dependent on wavelength. 
• energy is cancelled out

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Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer? 

• infrared light
• visible light
• ultraviolet light
• microwaves

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Which of the following electromagnetic waves is given off as heat? 

• ultraviolet light
• x-rays
• gamma rays
• infrared rays

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A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

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Waves that require a medium to travel through.

• electromagnetic
• mechanical

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The type of wave that DOES NOT need a medium to travel through

• mechanical
• electromagnetic

This color has the shortest wavelength

• Indigo
• red
• Yellow
• violet

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Velocity= 320 m/s
Wavelength= 80 m
Frequency= ___________

• 4 hertz
• .25 hertz
• 400 hertz

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