In the figure are shown graphs of the intensity pattern of light as a function of position on a screen produced by 4 sets of double slits labeled P, Q, R, and S. To produce the graphs, the laser beam and screen are held fixed while the slits are simply interchanged with one another. The graphs are plotted on the same scales for distance (horizontal axis) and intensity (vertical axis).
Rank the relative widths of the slits d and the separation of the slits a by selecting both the correct order and the correct ranking symbols (greater than or equal to). Note that if two or more of the scenarios are equal, you must list them from left to right in alphabetical order (P,Q,R,S) with the equal signs in-between. For example, P=R>S>Q would be correct but R=P>S>Q would not.
---Select--- P Q R S ---Select--- = > ---Select--- P Q R S ---Select--- = > ---Select--- P Q R S ---Select--- = > ---Select--- P Q R S
Ranking of slit separations:
---Select--- P Q R S ---Select--- = > ---Select--- P Q R S ---Select--- = > ---Select--- P Q R S ---Select--- = > ---Select--- P Q R S
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