Electrons go through a single slit 300 nm wide and strike a screen 21.0 cm away. At angles of 20.0" from the center of the diffraction pattern, no electrons. hit the screen, but electrons hit at all points closer to the center. Part A How fast were these electrons moving when they went through the slit? Express your answer with the appropriate units. Value Submit Request Answer Units ?

Electrons go through a single slit 300 nm wide and strike a screen 21.0 cm away. At angles of 20.0" from the center of the diffraction pattern, no electrons. hit the screen, but electrons hit at all points closer to the center. Part A How fast were these electrons moving when they went through the slit? Express your answer with the appropriate units. Value Submit Request Answer Units ?