User talk:HosseinJavanMard: Revision history

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8 December 2009

  • curprev 18:5418:54, 8 December 2009‎ HosseinJavanMard talk contribs‎ 631 bytes +631‎ New page: '''Problem:''' Radiation of wavelength <math>\lambda</math> = 290 nm falls on a metal surface for which the work function is W = 4.05 eV. What potential is needed to stop the most energ...
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