A) An electron beam is passed between a set of double slits. What pattern does t

Question

A) An electron beam is passed between a set of double slits. What pattern does the particle model of light suggest we would see? What pattern does the wave model of light suggest we would see? What pattern is actually observed?

B) The electron beam is used again and this time instead of double slits we use diffecation gratings. The first grating only has a few slits per centimeter and the second grating has numerous slits per centimeter. Predict how the pattern of electrons hitting the screen beyond the gratings will appear for each grating> Give reasons for your predictions.

C) Next you keep the grating fixed and vary the electroc potential from the cathode to the anode to create the electron beam. Qualitatively predict how you think the pattern of the electrons hitting the screen changes and explain carefully the reasons for your prediction.

D) Compare and contrast a photon beam with an electron beam. What are the similar properties of both beams? What are the properties that only 1 beam possess?

Explanation / Answer

Electron beam passed to through the set of double slits behaves same as light. so interference pattern does the electron suggest for both wave model and particle model of light.

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