An electromagnetic wave travels in vacuum along z-direction: E=\left(E_{1} \hat{i}+E_{2} \hat{j}\right) \cos (k z-\omega t) \cdot Choose the correct options from the following:
a) the associated magnetic field is given as B=\frac{1}{c}\left(E_{1} \hat{i}-E_{2} \hat{j}\right) \cos (k z-\omega t)
b) the associated magnetic field is given as B=\frac{1}{c}\left(E_{1} \hat{i}-E_{2} \hat{j}\right) \cos (k z-\omega t)
c) the given electromagnetic field is circularly polarised
d) the given electromagnetic waves is plane polarised
An electromagnetic wave travels in vacuum along z-direction: E=\left(E_{1} \hat{i}+E_{2} \hat{j}\right) \cos (k z-\omega t) \cdot Choose the correct options from the following:
a) the associated magnetic field is given as B=\frac{1}{c}\left(E_{1} \hat{i}-E_{2} \hat{j}\right) \cos (k z-\omega t)
b) the associated magnetic field is given as B=\frac{1}{c}\left(E_{1} \hat{i}-E_{2} \hat{j}\right) \cos (k z-\omega t)
c) the given electromagnetic field is circularly polarised
d) the given electromagnetic waves is plane polarised

a) the associated magnetic field is given as
B=\frac{1}{c}\left(E_{1} \hat{i}-E_{2} \hat{j}\right) \cos (k z-\omega t)
d) the given electromagnetic waves is plane polarised