The color red that we see depends upon the :
a) temperature of the red light wave.
b)speed of the red light wave.
c)direction of the red light wave.
d) the wavelength of the red light wave.

What happens in a global convection cell

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter