Dividing Light into Spectrum www assignmentpoint com Dividing

Dividing Light into Spectrum www. assignmentpoint. com

Dividing Light Into a Spectrum Astronomers separate out light into its individual components using a diffraction grating or using a prism then they analyze each part independently! www. assignmentpoint. com

blue 4600 A 81 Filter Detector 81 www. assignmentpoint. com

blue 4600 A green 5300 A 81 85 Filter Detector 85 www. assignmentpoint. com

blue 4600 A green 5300 A yellow 5800 A 81 85 83 Filter Detector 83 www. assignmentpoint. com

blue 4600 A green 5300 A yellow 5800 A orange 6100 A 81 85 83 78 Filter Detector 78 www. assignmentpoint. com

blue 4600 A green 5300 A yellow 5800 A orange 6100 A red 6600 A 81 85 83 78 70 The spectrum is continuous. Filter Detector 70 UV IR www. assignmentpoint. com

Spectra • Most light sources contain energy in lots of different wavelengths. • We can measure the brightness in various wavelength bands--the result is called the spectrum. • The spectrum (total character of light emitted) can tell us a lot about a source. www. assignmentpoint. com

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A refracting telescope uses a lens to concentrate incoming light Similar to a magnifying glass www. assignmentpoint. com

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A larger objective lens provides a brighter (not bigger) image www. assignmentpoint. com

lenses reverse images www. assignmentpoint. com