The electric fields of two harmonic waves of angular frequency w, and w2₂ are given by E₁ = E₁,ocos (k₁y+wit)i and E₂ = E2,0cos (k₁y-w₂t)î. Find (a) the instantaneous Poynting vector for the resultant wave motion and (b) the time-average Poynting vector. If the direction of propagation of the second wave is reversed, find (c) the instantaneous Poynting vector for the resultant wave motion and (d) the time -average Poynting vector.
The electric fields of two harmonic waves of angular frequency w, and w2₂ are given by E₁ = E₁,ocos (k₁y+wit)i and E₂ = E2,0cos (k₁y-w₂t)î. Find (a) the instantaneous Poynting vector for the resultant wave motion and (b) the time-average Poynting vector. If the direction of propagation of the second wave is reversed, find (c) the instantaneous Poynting vector for the resultant wave motion and (d) the time -average Poynting vector.
Related questions
Question
Transcribed Image Text:=
The electric fields of two harmonic waves of angular frequency w, and we are
given by E₁ E₁,0cos (k₁y + w₁t)i and E2 = E2,0cos (k₁y-w₂t)î. Find (a) the
instantaneous Poynting vector for the resultant wave motion and (b) the time-average
Poynting vector. If the direction of propagation of the second wave is reversed, find (c)
the instantaneous Poynting vector for the resultant wave motion and (d) the time -average
Poynting vector.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Step 1: Determine the given data:
VIEWStep 2: a) Determine the instantaneous pointing vector for resultant wave motion:
VIEWStep 3: b) Calculate the time average of pointing vector:
VIEWStep 4: Determine the expression of electric fields when the direction of the second wave is reversed:
VIEWStep 5: c) Determine the instantaneous pointing vector for resultant wave motion:
VIEWStep 6: d) Determine the time average pointing vector:
VIEWSolution
VIEW
Trending now
This is a popular solution!
Step by step
Solved in 7 steps with 7 images
Expert Answers to Latest Homework Questions
Q: Statics of Rigid Bodies. Thumbs-up will be given. Solve in 4 decimal places. Box the Final Answer.
Q: Statics of Rigid Bodies. Thumbs-up will be given. Solve in 4 decimal places. Box the Final Answer.
Q: Statics of Rigid Bodies. Thumbs-up will be given. Solve in 4 decimal places. Box the Final Answer.
Q: Statics of Rigid Bodies. Thumbs-up will be given. Solve in 4 decimal places. Box the Final Answer.
Q: ○
7a A moth moves clockwise along a circular path of radius 5 cm around a light (see figure below).…
Q: Give information for all a to d, Don't use AI.
Q: Please correct answer and don't use hand rating
Q: do fast correct answer and diagram only system diagram and not use paper diagram
Q: Need experts solution only. Don't use AI.
Q: Need experts solution only. Don't use AI.
Q: do fast only system digram not paper diagram
Q: Please correct answer and don't use hand rating
Q: Please correct answer and don't use hand rating
Q: not use ai please
Q: A psychologist is conducting a research study on the relationship between personality traits and job…
Q: not use ai please
Q: (5) A force F = 50 N is exerted on the automobile
parking-brake lever at the position x = 250 mm.…
Q: (8) Replace the two forces and a couple
acting on the beam by an equivalent
resultant force Ŕ and…
Q: (7) Determine the magnitude F and direction of
the unknown force that will cause the resultant of…
Q: (6) A force of 200 N is applied perpendicular to the
wrench at its tip as shown. Determine the…
Q: When you attack an unreal opponent or misrepresented position to make your side "seem more plausible