If the acceleration is +3m/s2. the object is.. A. Traveling at constant velocity
B. Speeding up
C. slowing down
D. standing still
(Multi choice)

What is the relationship between the wavelength of a wave and it's energy?

What happens to the light rays when they hit the specimen?

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?