Science-Ch.18-Part 5: Question Preview (ID: 30884)

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As you turn the dial on a radio, you pick up different frequencies. Each station is assigned its own frequency known as that station's __________________________.
a) microwave b) infrared wave c) carrier wave d) radio wave
FM stands for ____________________ modulation.
a) frequency b) pitch c) amplitude d) infrared
Amplitude modulation means that the amplitude of the ____________________ is changed to transmit information.
a) infrared wave b) carrier wave c) radio wave d) microwave
The letters in AM in AM radio stand for _______________ modulation.
a) carrier b) pitch c) frequency d) amplitude
The light with the shortest wavelength has the _______________ frequency.
a) lowest b) both the lowest and highest c) highest d) mid-range
_________________ light has the shortest wavelength.
a) Blue b) Red c) Yellow d) Green
The light with the longest wavelength has the ______________ frequency
a) lowest b) highest c) both the lowest and the highest d) mid-range
Electromagnetic radiation of a lower frequency than visible light is _______________________.
a) ultraviolet radiation b) gamma radiation c) infrared radiation d) beta radiation
Electromagnetic radiation of a higher frequency than visible light is known as ________________________.
a) ultraviolet radiation b) beta radiation c) gamma radiation d) x-rays
_________________ are the hardest to stop and therefore have the _____________________frequency.
a) Gamma rays, lowest b) Gamma rays, highest c) X-rays, highest d) Ultraviolet radiation, highest
The sun emits mainly _______________ and visible light.
a) ultraviolet radiation b) carrier waves c) gamma rays d) infrared waves
Is this the end?
a) yes b) no c) maybe! d) not sure
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