A single slit is illuminated at normal incidence with a parallel beam of light having a wavelength of The entire central band of the diffraction pattern is observed at ±90°.The illumination is now replaced by a nonrelativistic beam of electrons,each having a kinetic energy of 980 eV.When this beam hits the slit at normal incidence,at what angle will the first minimum of the electron diffraction pattern occur? (h = 6.626 × 10^-34 J ∙ s,m_el = 9.11 × 10^-31 kg, 1 eV = 1.60 × 10^-19 J) A)0.095 mrad B)0.071 mrad C)0.046 mrad D)0.12 mrad E)0.14 mrad

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The Answer of A single slit is illuminated at normal incidence with a parallel beam of light having a wavelength of The entire central band of the diffraction pattern is observed at ±90°.The illumination is now replaced by a nonrelativistic beam of electrons,each having a kinetic energy of 980 eV.When this beam hits the slit at normal incidence,at what angle will the first minimum of the electron diffraction pattern occur? (h = 6.626 × 10^-34 J ∙ s,m_el = 9.11 × 10^-31 kg, 1 eV = 1.60 × 10^-19 J) A)0.095 mrad B)0.071 mrad C)0.046 mrad D)0.12 mrad E)0.14 mrad

A Single Slit Is Illuminated at Normal Incidence with a Parallel