Quiz12 - Physics 222 Fall 2011 Name:_ Section:_ Quiz 12A 1)...

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Physics 222 Fall 2011 Name:_______________ Section:______________ Quiz 12A 1) You illuminate two thin slits in air with a laser and find they produce their first interference minima (m = 0) at ±22° on either side of the central bright spot. You then immerse the setup in a transparent liquid and illuminate the slits again, finding your new minima at ±15°. What is the index of refraction of the fluid? 2) At some point in its orbit, the surface of the moon is 370,000 km from the surface of the earth. An astronaut there has just placed a 1.5 meter wide flag. What minimum size objective would you need on your telescope in order to resolve the flag with visible light (400 nm to 750 nm)? Is this a realistic size?
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Physics 222 Fall 2011 Name:_______________ Section:______________ Quiz 12B 1) You illuminate two thin slits in air with a laser and find they produce their first interference minima (m = 0) at ±24° on either side of the central bright spot. You then immerse the setup in a transparent liquid and illuminate the slits again,
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This note was uploaded on 02/11/2012 for the course PHYSICS 222 taught by Professor Ogilvie during the Fall '05 term at Iowa State.

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Quiz12 - Physics 222 Fall 2011 Name:_ Section:_ Quiz 12A 1)...

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