Query 19

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course Phy 122

f your solution to stated problem does not match the given solution, you should self-critique per instructions at http://vhcc2.vhcc.edu/dsmith/geninfo/labrynth_created_fall_05/levl1_22/levl2_81/file3_259.htm.

Your solution, attempt at solution. If you are unable to attempt a solution, give a phrase-by-phrase interpretation of the problem along with a statement of what you do or do not understand about it. This response should be given, based on the work you did in completing the assignment, before you look at the given solution.

019. `Query 17

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Question: `qGeneral College Physics and Principles of Physics Problem 24.2: The third-order fringe of 610 nm light created by two narrow slits is observed at 18 deg. How far apart are the slits?

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Your solution:

3*610 = 1830

1830/sin18 = 5922.00 nano meters or 5.922E-6 m.

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Given Solution:

`aThe path difference for a 3d-order fringe is 3 wavelengths, so light from one slit travels 3 * 610 nm = 1830 nm further.

The additional distance is equal to slit spacing * sin(18 deg), so using a for slit spacing we have

a sin(18 deg) = 1830 nm.

The slit spacing is therefore

a = 1830 nm / sin(18 deg) = 5920 nm, or 5.92 * 10^-6 meters.

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Self-critique (if necessary): yes… wasn’t sure on this one, chapter 24 doesn’t explain it that well or maybe it was the other chapter, I don’t know anymore… time for sleep.

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&#Your work looks good. Let me know if you have any questions. &#