Here's the question:
An electromagnetic wave is traveling through vacuum. Its electric field vector is given by
E= E_0 sin(kx-wt)y_hat
where "y hat" is the unit vector in the y direction.
What is the Poynting vector S(x,t), that is, the power per unit area associated with the...
Electric field vector problem- need help ASAP!
Here is the question:
A satellite in geostationary orbit is used to transmit data via electromagnetic radiation. The satellite is at a height of 35,000 km above the surface of the earth, and we assume it has an isotropic power output of 1 kW...
Light refracted through Prism question~~
Homework Statement
Here is the problem:
Light is incident along the normal to face AB of a glass prism of refractive index 1.67, as shown in the figure.
Find, "alpha_max" the largest value of the angle "alpha" such that no light is refracted...