14. What do you call light when it behaves like a particle? _________ 15. Regarding the photoelectric effect, the more energy the photons hit the metal plate, the faster the electrons fly off from the plate for all photon energies. a. a. True b. b. False 16. You hold an apple up to a light bulb at a distance of 10 meters. At this distance, with an unchanging luminosity and 4 , the brightness = 20 (arbitrary units). You move 10 meters further back, what is the value for the new brightness? a. 40 b. 80 c. 1 d. 0.2 e. 100 17. For a Black Body, the higher the temperature the longer the wavelength. a. True b. False