Momentum conservation follows from: MCQ with Answer and Explanation
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Question #1
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A photon of energy 3.3 eV has frequency approximately (h=4.14×10⁻¹⁵ eV s)
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The instrument to measure pressure difference is
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Einstein known for:
Correct Answer: Option D
Explanation:
Einstein explained photoelectric effect (1905) using light quanta (photons), earning Nobel Prize. Also developed relativity. Electron: Thomson; Nuclear atom: Rutherford; Induction: Faraday. Memory aid: 'Einstein = photons + relativity'. Key contribution frequently tested in competitive modern physics history questions.
Einstein explained photoelectric effect (1905) using light quanta (photons), earning Nobel Prize. Also developed relativity. Electron: Thomson; Nuclear atom: Rutherford; Induction: Faraday. Memory aid: 'Einstein = photons + relativity'. Key contribution frequently tested in competitive modern physics history questions.
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