Chapter 1. Light Curves and Spectra

Question Which curve result from the light emissions of a cloud of thin gas?

4w6q72K4+evoDIFoBQWpinR5PBMPSmb4Xa3ntPK/Fyjg8LNm4DM9j2ENyMpww65WMSJwOxN1a1M= {"title":"selection","description":"The dips that you see in this curve, are a result of light shining through a cloud of gas, being ABSORBED by that gas at very specific wavelengths. These dips can be used to identify the elements contained in the cloud--- in this case: hydrogen.","type":"incorrect","color":"#ffffff","code":"[{\"shape\":\"rect\",\"coords\":\"19,8,252,150\"}]"} {"title":"Choice label","description":"The peaks that you see in this curve, are a result of the matter in the gas cloud becoming excited and then releasing that energy at very specific wavelengths. These peaks can be used to identify the elements contained in the cloud--- in this case: hydrogen.","type":"correct","color":"#ffffff","code":"[{\"shape\":\"rect\",\"coords\":\"317,9,549,150\"}]"}

Question Which of these spectra could be produced by a dense body of hot gases?

6nyfWGiURwJnMZjCR3+L6Y+02WMhYJQhZ/EKMbJIWQSR8MWfdmw4P+5AyGDwaTF1+DGtnA== {"title":"selection","description":"","type":"correct","color":"#ffffff","code":"[{\"shape\":\"rect\",\"coords\":\"39,149,347,257\"}]"}

Question Which of these spectra could be produced by light passing through a relatively thin cloud of gas?

6nyfWGiURwJnMZjCR3+L6Y+02WMhYJQhZ/EKMbJIWQSR8MWfdmw4P+5AyGDwaTF1+DGtnA== {"title":"selection","description":"","type":"correct","color":"#ffffff","code":"[{\"shape\":\"rect\",\"coords\":\"36,26,344,134\"}]"}

Question Which of these SERIES represents the transition that would produce light with the highest frequency?

OGhO9HryY3htLjK7kL3FRXZpQheJP2TbhrAOu06hC7QMqOmoaI7vpJYPhyXr+LDEAiSGlw== {"title":"selection","description":"This series represents such a large transition that it would emit ultraviolet light.","type":"correct","color":"#ffffff","code":"[{\"shape\":\"rect\",\"coords\":\"187,65,258,391\"}]"}

Question Activity Completed

You have completed this activity!