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Physics Chemistry

Entry Test MCQ :: Modern Physics

  Which one of the following has the largest energy content?
[A]. 103 photons of wavelength 2pm (?-rays).[B]. 102 photons of wavelength 1nm (x-rays).
[C]. 106 photons of wavelength 50?m (infrared).[D]. 106 photons of wavelength 200nm (UV).

Answer: Option A
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