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A coherent beam of 1.937 eV photons is incident on a double slit. A screen is...

A coherent beam of 1.937 eV photons is incident on a double slit. A screen is L = 1.8 m away from the source and the width of each slit is a = .010 mm. This creates an interference/diffraction pattern such that the second interference maxima is y2 = 46 mm from the center line. If we wanted to duplicate this interference/diffraction pattern with monoenergetic electrons of mass me = 9*10-31 kg, what would the kinetic energy of one of these electrons have to be?

= eV

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Es the die hee 6626x1633%3x108 10937 x 1.6 X 10-19 do 6.414 x107 m. eleckom De booglie Warelength of must be . de 6.414 x 10

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