A photographer might use a light meter to make sure she has enough light for a good photograph. The meter absorbs light and provides a current that
moves the needle on the meter. How does this phenomenon support the
particle model of light?
A. It is the result of constructive interference.
B. It is the result of the photoelectric effect.
C. It is the result of the diffraction of a beam of light.
D. A light meter is a blackbody radiator.

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity