When unpolarized light from air (with refractive index 1.00 ) ...

[2125004343]

When unpolarized light from air (with refractive index 1.00 ) strikes a piece of glass with index of refraction 1.80,
 
  the reflected light is found to be completely polarized when the angle of incidence is equal to Brewster's angle. What is the angle of refraction in this case?

Question 2

You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind at constant speed and you perceive the frequency as 1310 Hz.
 
  You are relieved that he is in pursuit of a different driver when he continues past you, but now you perceive the frequency as 1240 Hz. What is the frequency of the siren in the police car? The speed of sound in air is 343 m/s.
  A) 1300 Hz
  B) 1320 Hz
  C) 1270 Hz
  D) 1360 Hz
  E) 1370 Hz

[Ashley I]

Answer to Question 1

29.1

Answer to Question 2

C

[2125004343]

Great answer, keep it coming

[tkempin]

Thanks for the timely response, appreciate it