1) A concave cosmetic mirror has a focal length of 36cm . A 5.0cm -long mascara brush is held upright 18cm from the mirror..
A) Use ray tracing to determine the location of its image.
q=___________cm
B) Use ray tracing to determine the height of its image.
h=______cm
C) Is the image upright or inverted?
D) Is the image real or virtual?
2) A 5.4ft -ft-tall girl stands on level ground. The sun is 30? above the horizon.
A) How long is her shadow?
l=_____ft