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The first-order line of 589-nm light falling on a diffraction grating is observed at a $14.5 ^\circ$ angle. How far apart are the slits? At what angle will the third order be observed?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 


Giancoli 7th Edition, Chapter 24, Problem 42


Chapter 24, Problem 42 is solved.

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