Lecture 20: Light Rays: Polarization, Reflection, and Refraction
Terms in this set (7)
The rate of energy transferred by an EM wave per unit area. The vector gives the direction of wave travel and energy transport
all EMF waves propagate in the same direction with each E field lying along the same plane (transmission axis)
One half rule
the intensity of polarized light is half of un polarized light incident on the polarizing lens
Cosine squared rule
polarized light intensity is reduced by a polarizing lens rotated an angle theta away from the original polarized direction
What conditions must be met for a glass prism to split white light out into a discernable spectrum (akin to a rainbow)?
The glass must have a different index of refraction for different frequencies of light.
The white light must be incident non-normally on the front surface of the glass..
Total Internal Reflection
All incident light is reflected, not transmitting into the second medium if theta1 is greater than or equal to theta c
n2 must be _____ than n1 for total internal reflection to occur
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