Author Question: Unpolarized light passes through three ideal polarizing filters. The first filter is oriented with a ... (Read 87 times)

eruditmonkey@yahoo.com · **on:** Jul 29, 2018

Unpolarized light passes through three ideal polarizing filters. The first filter is oriented with a horizontal transmission axis, the second one has its transmission axis at 30 from the horizontal,

and the third filter has a vertical transmission axis. What percent of the light gets through this combination?
A) 9.4
B) 91
C) 50
D) 0
E) 33

Question 2

What is the charge on 1.0 kg of protons? (e = 1.60 10-19 C, mproton = 1.67 10-27 kg)

A) 1.0 C
B) 1000 C
C) 9.6 107 C
D) 6.0 1026 C
E) 6.0 1023 C