If electric field intensity of a uniform plane electro magnetic wave is given as

$E =-301.6 \sin ( kz -\omega t ) \hat{a}_{ x }+452.4 \sin ( kz -\omega t )$ $\hat{a}_{y} \frac{V}{m}$

Then, magnetic intensity $H$ of this wave in $Am ^{-1}$ will be

[Given: Speed of light in vacuum $c =3 \times 10^{8} ms ^{-1}$, permeability of vacuum $\mu_{0}=4 \pi \times 10^{-7} NA ^{-2}$ ]

• A

  $+0.8 \sin ( kz -\omega t ) \hat{ a }_{ y }+0.8 \sin ( kz -\omega t ) \hat{ a }_{ x }$

• B

  $+1.0 \times 10^{-6} \sin ( kz -\omega t ) \hat{ a }_{ y }+1.5 \times 10^{-6}( kz -\omega t ) \hat{ a }_{ x }$

• C

  $-0.8 \sin ( kz -\omega t ) \hat{ a }_{ y }-1.2 \sin ( kz -\omega t ) \hat{ a }_{ x }$

• D

  $-1.0 \times 10^{-6} \sin ( kz -\omega t ) \hat{ a }_{ y }-1.5 \times 10^{-6} \sin ( kz -\omega t ) \hat{ a }_{ x }$