Author Question: A polarizer (with its preferred direction rotated 30 to the vertical) is placed in a beam of ... (Read 66 times)

xclash · **on:** Jul 27, 2018

A polarizer (with its preferred direction rotated 30 to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

A) 0.2501.
B) 0.7501.
C) 0.5001.
D) 0.8661.
E) 0.5000.

Question 2

In Einstein's General Theory of Relativity, spacetime is

A) one dimensional
B) two dimensional
C) four dimensional
D) three dimensional