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vocab es 1

chapter 20

QuestionAnswer
bright light spectrum is an unevenly soaced series of lines of diffrent colos and brightness.the bright lines show that the source is sending out,or emitting,light in certain wavelenghths only
continuous spectrum is an unbroken banf of colors, which shows that is sours is sending out light of all visible wavelenghts
dark-line spectrum is a continuos spectrum with dark lines where light is absorbed. the dark lines are in exactly the same place as the bright lines from the same element in a bright-line spectrum.
drppler effect an apparnt change in the wavelenghth of radiation,in whitch there is relation motion between the source
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