3) Three waves have electric fields all given by E = E, cos(kx - wt) where the frequency is w = 5.1 x 10¹4 Hz and the am

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3 Three Waves Have Electric Fields All Given By E E Cos Kx Wt Where The Frequency Is W 5 1 X 10 4 Hz And The Am 1 (88.02 KiB) Viewed 14 times

3) Three waves have electric fields all given by E = E, cos(kx - wt) where the frequency is w = 5.1 x 10¹4 Hz and the amplitude (the same for all) is E,-1.2 N/C. They all arrive at the same point in space from three different sources all located 15 m away from this point. Assume all the three waves are emitted in phase. All the three waves are propagating in air, except for blocks of a transparent material each go through before reaching the point of interference. If Ray 1 goes through a 1.3 m thick diamond block (n=1.42), while ray 2 and 3 go through crown glass blocks (n=1.55), that are 1.3m thick for ray 2 and 1.8 m thick for ray 3. Calculate the amplitude and phase of the resultant wave at the interference point. NOTE: Assume that the difference in the direction of 1.3m 1.3m 1.8m propagation is small enough that these rays can be considered propagating in the same directions