Light of wavelength \( \lambda \) strikes on a metal surface with intensity \( \mathrm{X} \) and...

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Light of wavelength \( \lambda \) strikes on a metal surface with intensity \( \mathrm{X} \) and metal emits \( \mathrm{Y} \) electrons per second of average energy \( \mathrm{Z} \). What will happen to \( \mathrm{Y} \) and \( \mathrm{Z} \) if \( \mathrm{X} \) is doubled?
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