MCAS example problems
Which of the following statements describes what will most likely happen to the light ray after it strikes the aluminum foil?
A. The light ray will be absorbed by the shiny metal.
B. The light ray will be refracted after passing through the shiny metal.
C. The light ray will be reflected at a different angle to the normal than the incident light ray.
D. The light ray will be reflected at the same angle to the normal as the incident light ray
a. Identify and describe the wave behavior as the light rays pass through the glass lens.
b. Identify and describe the wave behavior as the light rays strike the mirror.
c. Copy the dotted box from the camera diagram into your Student Answer Booklet. Draw what must happen inside the box for light ray 2 to strike the viewfinder. Be sure to include
• either a lens or a mirror that is labeled
• the path of light ray 2
• a line normal to the surface where light ray 2 strikes