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The diagram shows a single slit with the direction to a point P on a distant screen (not shown) .At P, the pattern has its maximum nearest the central maximum.If X and Y are the edges of the slit, what is the path length difference (PX) - (PY) ?
Advocacy Groups
Organizations that aim to influence public policy and resource allocation decisions within political, economic, and social systems and institutions.
Climbing the Agenda
The process of prioritizing issues or topics to gain attention or resources within an organization or society.
501(c)(3)
A section of the U.S. Internal Revenue Code that provides a tax exemption for nonprofit organizations that are charitable, religious, educational, scientific, or literary in nature.
Lobbying
The act of attempting to influence decisions made by officials in a government, most often legislators or members of regulatory agencies.
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