When light reflects from a surface, there is a change in its
A) frequency.
B) wavelength.
C) speed.
D) all of the above
E) none of the above
Question 2
You photograph the image of your little sister, who stands 2 meters in front of a plane mirror. Holding the camera beside her head, the distance to her image is
A) 1 meter.
B) 2 meters.
C) 3 meters.
D) 4 meters.
E) none of the above