Term
| Describe what an absorption spectrum looks like. |
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Definition
| A continuous spectrum with specific colors of light missing. |
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Term
| what is a characteristic of a blackbody? |
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Definition
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Term
| T/F A star has an emission spectrum, since it is a blackbody surrounded by a thinner atmosphere |
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Definition
| False: a star has an absorption spectrum |
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Term
| Light and sound waves from a moving source are ________ in the direction of movement |
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Definition
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Term
| The light or sound waves from a moving object increase in frequency when... |
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Definition
| it's moving toward the person |
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Term
| What does an observer moving at the same speed notice about the sound change? |
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Definition
| the sound does not change (no change in wavelength or frequency) |
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Term
| In the Bohr model, where are the electrons located? |
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Definition
| orbiting in clouds surrounding the nucleus |
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Term
| In atomic excitation, electrons jump between which two orbits? |
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Definition
| From a lower orbit to a higher one |
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Term
| In atomic excitation, electrons jump between which two orbits? |
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Definition
| From a lower orbit to a higher one |
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Term
| A photon is emitted during which atomic process? |
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Definition
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Term
| T/F Heat flows from hot to cool regions. |
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Definition
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Term
| T/F The temperature of a star can be roughly estimated from its color. |
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Definition
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Term
| T/F Stars emit light mostly from their surfaces |
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Definition
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Term
| T/F Stars emit light mostly from their surfaces |
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Definition
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Term
| T/F Hotter stars radiate more energy at higher frequencies. |
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Definition
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Term
| T/f Hotter stars have a longer maximum intensity wavelength |
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Definition
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Term
| T/f Hotter stars have a longer maximum intensity wavelength |
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Definition
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Term
| T/F Temperature is a measure of the heat produced by a star. |
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Definition
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