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Answer
The statement is incorrect. Quantum mechanics arose from several experimental puzzles, not just the behavior of light; for instance, the photoelectric effect, black‑body radiation, and atomic spectra all demanded a new theory. Scientists realized that classical physics could not explain why atoms emitted discrete spectral lines or why electrons behaved in ways that contradicted Newtonian mechanics. By treating energy as quantized and introducing wave–particle duality, quantum theory unified these observations. For example, the discrete energy levels of a hydrogen atom, which classical physics could not predict, are naturally explained by quantum mechanics.
Detailed Explanation
Quantum mechanics grew from clues about light, like the photoelectric effect, and from how matter behaves, such as electrons orbiting atoms. Other options are incorrect because Some think only light mattered, but experiments on atoms, such as the Bohr model, proved atoms had quantized energy levels.
Key Concepts
Quantum Mechanics
Photoelectric Effect
Bohr Atom Model
Topic
Historical Origins of Quantum Mechanics
Difficulty
medium level question
Cognitive Level
understand
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Question 1Which phenomenon most directly led to the development of quantum mechanics by challenging classical physics?
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Question 3Which phenomenon most directly led to the development of quantum mechanics by challenging classical physics?
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Question 4The phenomenon that demonstrated the particle-like behavior of light, leading to the development of quantum mechanics, is known as the __________.
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