Lecture 12 – Light and Matter, Part 2/2
Summary / Checklist of the Main Concepts to Understand and Remember
Interaction of Light and Matter | ||
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What do we mean by reflection and refraction? | |
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What is a photon? | |
• | What happens inside an atom when it absorbs a photon or emits a photon? | |
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Why can individual atoms absorb or emit only photons of certain specific wavelengths? | |
• | Are the wavelengths of the photons an atom can emit the same as those of the photons it can absorb? | |
• | What happens to light containing photons of all wavelengths when it goes through a gas? | |
Spectroscopy | ||
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What is an emission line spectrum? What kind of source of light produces an emission line spectrum? | |
• | What can we learn about a source if the light it emits forms an emission line spectrum? | |
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What is a continuous spectrum? What kind of source of light produces a continuous spectrum? | |
• | What can we learn about a source if the light it emits forms a continuous spectrum? | |
• | What happens to light with a continuous spectrum when the temperature of the source changes? | |
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What is an absorption spectrum? Under what circumstances is an absorption spectrum produced? | |
• | What can we learn about a source if the light it emits forms an absorption spectrum? | |
Topics from the lecture page and textbook not listed above [or between square brackets]
were not covered in class;
Underlined words indicate that I will expect students to remember a number or a name related to that topic.
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