Examlex
The longest wavelength photon that can be emitted by a hydrogen atom, for which the final state is is closest to which one of the following values? (c = 3.0 × 108 m/s,
Donor Portraits
Donor portraits are artworks, particularly seen in medieval and Renaissance art, depicting individuals who commissioned or donated the artwork as a way of displaying piety and patronage, often integrated into religious scenes.
Disguised Patronage
A concept in art where the sponsor of the artwork is included within the piece, often cleverly integrated into the scene.
Triptych
A three-paneled painting, ivory plaque, or altarpiece. Also, a small, portable shrine with hinged wings used for private devotion.
Diptych
A two-paneled painting or altarpiece; also, an ancient Roman, Early Christian, or Byzantine hinged writing tablet, often of ivory and carved on the external sides.
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