Two mirrors make an angle with each other. A light ray is ...

[ghost!]

Two mirrors make an angle  with each other. A light ray is incident on the first mirror at an angle of incidence . The reflected ray hits the second mirror at an angle of incidence . In terms of  and , what is ?
  1.  
  2.  
  3. /2   +
  4.    

Question 2

A mirror has a hole cut in it so that a light can shine through. Opposite the mirror is another mirror, which is parallel to the first. The light ray hits the second mirror with angle 1, is reflected at an angle 2 , and then is incident on the first mirror at angle 3. At what angle to the normal, 3, in terms of 1, will the reflected ray then impact the first mirror?
  1. /2  1
  2. 1
  3. /2 + 1
  4. 1

[Kimmy]

Answer to Question 1

1

Answer to Question 2

2

[ghost!]

Thanks

[Kimmy]

Welcome