R You should notice that the angle of incidence equals th probably noticed (and will study) that this is the case also f

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R You Should Notice That The Angle Of Incidence Equals Th Probably Noticed And Will Study That This Is The Case Also F 1 (71.94 KiB) Viewed 54 times

R You should notice that the angle of incidence equals th probably noticed (and will study) that this is the case also for light. of a billiard ball with the side rail of a billiard table. In each case, the reason not, this has to do with conservation of momentum in the direction parallel to the reflecting su waves, however, it is more easily understood in terms of wave interference. Analysis How close your results agree with the law of reflection? Did you observe any unexpected outcome? Problem 2 Polarization The electric field of the microwaves produced by the emitter is oriented vertically if the transmitter ho rectangle has its longer edge parallel to the ground. The wave is alternating between up and down. Moving electric field pattern In-class group activities: Your laboratory instructor will have you answer the following on the white boards, working as a group. 1. The electric field inside a conductor is zero, because charge is free to move and "cancel out" the electric field. Do not try the following with the equipment until you figure out what you expect to happen. When it was horizontal it was D -5 ND Physics CPSL 13-6 ,1
Microwaves (a) If you place the receiver and transmitter facing one another, and put a metal grid in between the two of them, in the orientation shown in the previous figure, will the microwaves get through or not? If not why not, and if so, explain your reasoning. Nothing happen (b) Now the same question, except that you rotate the orientation of the metal grid by 90 degrees, so the bars are horizontal. Now do you expect the microwaves to get through or not? After you have made your predictions and you get the go-ahead from your instructor, perform experiments to see whether or not your predictions were correct. (c) Explain how your results illustrate the phenomenon of plain polarization of electromagnetic waves. (Light waves can also be plane polarized.) mp