When photons meet and reflect from a surface and are then detected after they reflect ... Pick those that are true
A. the direction in which they go is given as a probability, not a certainty
B. they appear to take on the average the path with the least travel time
C. they take all possible paths, including into the material, and the resultant sum depends on the frequency of the light
D. they behave like solid projectiles and bounce off the surface exactly as given by the law of reflection
2. Which of these affects the energy of an electron that is emitted by a surface exposed to light?
A. The frequency of the incident light
B. The power per area of the incident light
C. The material that is being illuminated
D. The wavelength of the incident light