Author Question: Unpolarized light of intensity I0 passes through four ideal polarizing sheets. The polarizing angle ... (Read 120 times)

skymedlock · **on:** Jul 29, 2018

Unpolarized light of intensity I0 passes through four ideal polarizing sheets. The polarizing angle of each sheet is rotated 30 from the one before it, so that the last sheet is aligned at 90 to the first sheet.

What is the intensity of the light emerging from the fourth sheet in terms of I0?

Question 2

A uniform electric field, with a magnitude of 500 V/m, is points in the +x direction. If the potential at x = 5.0 m is 2500 V, what is the potential at x = 2.0 m?

A) 0.50 kV
B) 1.0 kV
C) 2.0 kV
D) 4.0 kV
E) 5.0 kV