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    Question

    The photoelectric effect is best explained by:

    A Wave theory of light Correct Answer Incorrect Answer
    B Particle theory of light Correct Answer Incorrect Answer
    C Quantum mechanics Correct Answer Incorrect Answer
    D Electromagnetic theory Correct Answer Incorrect Answer

    Solution

    The photoelectric effect demonstrates that light behaves as particles (photons) that transfer energy to eject electrons from a metal surface.

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