Questions for Exam Flashcards
1
Q
Question 2B Notes
A
2
Q
Polarization: How do you indicate the direction of rotation when visually showing the polarization of waves?
A
You indicate it with the time stamps for T.
Attached is an example of elliptical polarization with a anti-clockwise rotation.
3
Q
Problem 2E Notes
A
4
Q
Problem 2E
A
5
Q
Recall the unit vector cross products
A
6
Q
What is the complex conjugate of eix?
A
e-ix
7
Q
What does n hat represent in this equation?
A
unit vector in the direction of propagation k.
k0 is the magnitude of k.
8
Q
What is the dot product?
What is the dot product between two of the same unit vector?
A
dot product between the same unit vector is equal to 1.
e.g. unit vector (0 0 1)
(0 0 1) · (0 0 1) = 0*0 + 0*0 + 1*1
