The electric field associated with an electromagnetic wave in vacuum is given by E = i (cap) 40 cos (kz − 6 × 10^8t), where E, z and t are in volt per meter, meter and second respectively. The value of wave vector k is
20
Aug
The electric field associated with an electromagnetic wave in vacuum is given by E = i (cap) 40 cos (kz − 6 × 10^8t), where E, z and t are in volt per meter, meter and second respectively. The value of wave vector k is meter and second respectively. The value of wave vector k [...]