Electromagnetic Spectrum & Light - PS - Ch 18
Quiz by Linwood Starling
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25 questions
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- Q1Electromagnetic waves vary inhe speed they travel in a vacuumwavelength and frequencythe way they reflecttheir direction45sEditDelete
- Q2To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and itsrefractionintensitywavelengthamplitude45sEditDelete
- Q3Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light isa wavea stream of particlesradiationheat45sEditDelete
- Q4Light acts likeboth a wave and a particleneither a wave nor a particlea wavea particle45sEditDelete
- Q5Photons travel outward from a light source ina single straight linea small, dense areaincreasing intensityall directions45sEditDelete
- Q6Infrared rays have a shorter wavelength thangamma raysradar wavesX-raysultraviolet rays45sEditDelete
- Q7The full range of frequencies of electromagnetic radiation is calledvisible lightthe electromagnetic spectrumradio wavesinvisible radiation45sEditDelete
- Q8The visible light spectrum ranges betweeninfrared rays and ultraviolet raysultraviolet rays and gamma raystelevision waves and infrared raysradar waves and X-rays45sEditDelete
- Q9Cellular telephones utilizevery low frequency wavesradar wavesvery high frequency wavesmicrowave45sEditDelete
- Q10The waves with the longest wavelengths in the electromagnetic spectrum aregamma raysX-raysinfrared raysradio waves45sEditDelete
- Q11In order of the light-transmitting capabilities of materials from none to all, which is the correct sequence?opaque -> transparent -> translucenttranslucent -> transparent -> opaqueopaque -> translucent -> transparenttransparent -> opaque -> translucent45sEditDelete
- Q12A translucent materialreflects all lightabsorbs all lightscatters some lighttransmits all light45sEditDelete
- Q13Which of the following occurs as a light wave bends when it passes from one medium into another?constructive interferencerefractiondestructive interferencereflection45sEditDelete
- Q14Newton’s prism experiments showed that white sunlight is made up ofonly blue light when separated by a prismonly the longest wavelengthsall the colors of the visible spectrumthe full electromagnetic spectrum45sEditDelete
- Q15An incandescent light bulb produces light when electrons flow through theglassairfilamentvacuum45sEditDelete
- Q16A fluorescent light bulb usually containsa vacuummercury vaporoxygenfluorescent powder45sEditDelete
- Q17What an object is made of and the color of light that strikes it determines thetranslucence of the objecttransparency of the objectcolor of the objectopacity of the object45sEditDelete
- Q18The primary colors of light arecyan, magenta, and yellowgreen, blue, and blackred, yellow, and blueblue, green, and red45sEditDelete
- Q19Which kind of light is used to carry information through optical fibers?laserfluorescentsodium-vapor lightincandescent45sEditDelete
- Q20A region of space that exerts electric forces on charged particles.electromagnetic radiationelectromagnetic wavesmagnetic fieldelectric field45sEditDelete