This is a maintenance category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories.

This category for physics articles whose importance within physics has been assessed on this scale. Place articles in these categories by typing one of the following on the talk page:

{{physics|class=XXX|importance=Top}}

{{physics|class=XXX|importance=High}}

{{physics|class=XXX|importance=Mid}}

{{physics|class=XXX|importance=Low}}

See also Category:Physics articles by quality.