An electromagnetic wave travelling along z-axis is given as-E=E0 cos (kz – cot). Choose the incorrect option from the following;
A. The associated magnetic field is given as B = 1𝑐𝑘̂ × E = 1𝜔(𝑘̂ × E)
B. The electromagnetic field can be written in terms of the associated magnetic field as E = c(B × 𝑘̂ )
C. 𝑘̂ .E = 0, 𝑘̂ .B =0.
D. 𝑘̂ × E = 0, k𝑘̂ × B = 0.
Answer:A
An electromagnetic wave travelling along z-axis is given as-E=E0 cos (kz – cot). Choose the incorrect option from the following;
A. The associated magnetic field is given as B = 1𝑐𝑘̂ × E = 1𝜔(𝑘̂ × E) B. The electromagnetic field can be written in terms of the associated magnetic field as E = c(B × 𝑘̂ ) C. 𝑘̂ .E = 0, 𝑘̂ .B =0. D. 𝑘̂ × E = 0, k𝑘̂ × B = 0.