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As elelctromagnetic wave travelling alon...

As elelctromagnetic wave travelling along z-axis is give as: `E=E_0 cos(kz-omegat)`. Choose the correct options from the following:

A

(a) The associated magnetic field is given as `vecB=1/c hatk xx vecE = 1/omega (vecB xx vecE)`

B

(b) The electromagnetic field can be written in terms of the associated magnetic field as `vecE=c(vecB xx hatj)`.

C

(c) `hatk.vecE=0, hatk. vecB=0`

D

(d) `hatk.vecE=0, hatk.vecB=0`

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