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In a Young s double-slit experiment that uses electrons, the angle that locates the first-order bright fringes is θA = 1.6 × 10-4 degrees when the magnitude of the electron momentum is pA = 1.2 × 10-22kg? m/s. With the same double slit, what momentum magnitude pB is necessary so that an angle of θB = 4.0 × 10-4 degrees locates the first-order bright fringes? |
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