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What frequency must a photon have to raise an electron in a hydrogen atom from the n = 2 to the n = 4 state? (h = 6.626 × 10-34 J ∙ s,1 eV = 1.60 × 10-19 J)
Theory of Evolution
The scientific theory proposed by Charles Darwin that species evolve over time through natural selection.
Sexual Liberalities
The acceptance or advocacy of more open and permissive attitudes toward sex and sexuality, often challenging traditional norms.
Rudolph Valentino
An Italian-American actor who became a major sex symbol in the early 20th century through his roles in silent films.
Charlie Chaplin
A British comedian, filmmaker, and composer who became a global icon through his screen persona "The Tramp" during the silent film era, known for his contributions to cinematic art and his commentary on social issues.
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