Light Transmission Through Three Polaroid Filters · CAP 2009 #20
Physics · optics
Problem
Unpolarized light goes through three successive Polaroid filters, each with its transmission axis at 45° relative to the preceding filter. What percentage of the light gets through?
(a) 0%
(b) 12.5%
(c) 25%
(d) 50%
(e) 33%