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      Question

      Which property of a wave is related to its

      frequency?  
      A Speed Correct Answer Incorrect Answer
      B Wavelength Correct Answer Incorrect Answer
      C Amplitude Correct Answer Incorrect Answer
      D Energy Correct Answer Incorrect Answer

      Solution

      The energy of a wave is directly proportional to its frequency.   The higher the frequency, the higher the energy.   This is true for electromagnetic waves such as light.   Energy  E  is given by the formula E = h × f, where h  is Planck's constant and f  is frequency.

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