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      Question

      The energy of a photon is proportional

      to:
      A Its wavelength Correct Answer Incorrect Answer
      B Its speed Correct Answer Incorrect Answer
      C Its frequency Correct Answer Incorrect Answer
      D Its amplitude Correct Answer Incorrect Answer

      Solution

      The energy of a photon is given by E=hnuE = h\\nuE=hnu, where hhh is Planckโ€™s constant and nu\\nunu is the frequency. Thus, photon energy is directly proportional to frequency.

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