Author Question: In the radiation field from an antenna, the electric and magnetic fields are A) perpendicular ... (Read 55 times)

pepyto · **on:** Jul 29, 2018

In the radiation field from an antenna, the electric and magnetic fields are

A)

perpendicular to one another.
B)

anti-parallel to one another.
C)

anti-perpendicular to one another.
D)

parallel to one another.
E)

never in any geometric arrangement with respect to one another.

Question 2

What is the mean free path of a gas of hard spheres of radius 2.00 10-9 m when the number of spheres per volume is 3.00 1019 m-3?

A)

1.17 10-4 m
B)

4.00 10-9 m
C)

9.76 10-5 m
D)

1.88 10-3 m
E)

4.69 10-4 m