1.

In an electromagnetic field, the amplitude of magnetic field is 3 x 10^-10 T. If the frequency of the waves is 10^12 Hzthen the amplitude of the associated electric field will be(1) 9 10^2 V/m(2) 3 10^2 V/m(3) 3 10^10 VIm(4)9 Vim

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