Answer to Question #89207 in Electricity and Magnetism for Sridhar

Question

For a plane electromagnetic waves propagating in a non conducting medium which one of the following statement is true ?
1)the wave velocity is more than that in free space
2) the wave velocity is less than that in free space
3)the electric energy density is more than the magnetic energy density
4) the magnetic energy density is zero

Answer 1

For a plane electromagnetic waves propagating in a non conducting medium which one of the following statement is true ?

1)the wave velocity is more than that in free space

2) the wave velocity is less than that in free space True

3)the electric energy density is more than the magnetic energy density

4) the magnetic energy density is zero