How far from a point directly in the line of the beam

Reference no: EM13716242

Question: A beam of electrons of 25eV kinetic energy is directed at a single slit of 2.0 x 10^-6 m width, and then detected at a screen 4m beyond the slit.

Part A: How far from a point directly in the line of the beam is the first location where no electrons are ever detected?

Please show complete calculation thank you!

Reference no: EM13716242

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