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| Which is not a form of electromagnetic radiation? |
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Definition
| DC current from your car battery |
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| If a wave's frequency doubles, it's wavelength |
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| What is the name of the temperature that places zero at the point where all atomic and molecular motion caeses? |
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| The Sun's observed spectrum is |
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Definition
| a continum with absorption lines |
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| In Bohr's model of the atoms, electrons |
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Definition
| only make transitions between orbitals of specific energies |
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| The total energy radiated by a blackbody depends on |
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Definition
| the fourth power of its temperature |
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| In general, the spectral lines of molecules are |
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Definition
| more complex than those of atoms |
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| The two forms of electromagnetic radiation that experience the least atmospheric opacity are |
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| The observed spectral lines of a star are all shifted towards the red end of the spectrum. Which statement is true? |
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Definition
| This is an example of the Doopler Effect |
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Term
| What is the same for all forms of E-M radiation? |
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| Medium A blocks more of a certain wavelength than Medium B. Medium A has a higher |
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| The primary purpose of a telescope is to |
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Definition
| collect a large amount of light and bring it into focus |
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| The angular resolution of a telescope is ____ greater than that of a 2 inch telescipe |
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Definition
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| The amount of diffraction and thus the resolution of the scope depends on |
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Definition
| the wavelength used and the size of the main telescope objective lens or mirror |
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| What is the resolution of a telescope? |
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Definition
| its a bility to distinguish 2 adjacent objects close together in the sky |
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Term
| Compared to a 5 inch prime focus reflector, a 5 inch Newtonian reflector will |
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Definition
| have the same light gathering power |
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| What is the light gathering power of an 8inch telescope compared to a 4 inch telescope? |
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| Green light has a shorter wavelength than orange light. In a 5 inch telescope, green light will |
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Definition
| provide better angular resolution than orange light |
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| What problem does adaptive optics correct? |
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Definition
| turbulence in the Earth's atmosphere that creates twinkling |
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| Most radio telescopes are laid out like which optical telescope design? |
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