The diagram illustrates a convex mirror, with F and F` at a distance of one focal length f from the mirror, and with C as the center of the sphere that describes the mirror’s shape. In what direction is the ray drawn to find the reflected image in the mirror?
perpendicular to the principal axis

along the line from F` to P

parallel to the principal axis

the direction from P through F

Hunter is in lab. he clears a spot on his lab bench to start working. he also puts his lab coat and goggles on. he then identifies where all of the safety equipment is. he notices his station is next to the fume hood, which ventilates the chemicals stored there. the noise of the fume hood was bothersome, so hunter turned it off. which could be an error in his set-up? he should not turn off the fume hood.  he should wait to put on his coat until after the directions are given.  he should wait to put on his goggles until after the directions are given.  he should not sit next to the fume hood.