If I0 is the intensity of the unpolarized light incident on the first polarizer, and I1 and I2 denote the intensity of the light after the first and second polarizers, respectively, which of the following quantities are known? a) I1
b) theta1
c) I0
d) I2
e) theta2

Most short-period comets do not have randomly oriented orbits because

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext