A plane electromagenic wave having a frequency `v= 23.9 GHz` propagates along the positive z-direction in free space. The peak value of the Electric field is `60 V//m` Which among the following is the acceptable magnetic field component in the electromagnetic wave ?
A
`vec(B)=2 xx 10^(7)sin(0.5 xx10^(3) z+1.5 xx 10^(11) t)hat(i)`
B
`vec(B)=2xx 10^(-7)sin(0.5 xx10^(3)z-1.5 xx 10^(11)t)hat(i)`
C
`vec(B)=60 sin(0.5 xx 10^(3) x+1.5 xx10^(11)t)hat(k)`
D
`vec(B)=2 xx 10^(-7)sin(1.5 xx 10^(2) x+0.5 xx10^(11) t)hat(j)`
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