A charge of 3.93 C is used to test the electric field of a central charge that causes a force of 144 N. What is the magnitude of the electric field?

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

More solar radiation is absorbed by earth’s surface than by