Physics

Physics

Problem

An electromagnetic wave in vacuum travels in the

+y

–direction with an electric–field amplitude of

120\,\text{N/C}

oriented along

+x

. What are the magnitude and direction of the magnetic–field amplitude? (Take

c = 3.0\times10^{8}\,\text{m/s}

.) a)

4.0\times10^{-7}\,\text{T}

in the

+z

–direction b)

2.8\times10^{-7}\,\text{T}

in the

-z

–direction c)

4.0\times10^{-7}\,\text{T}

in the

-z

–direction d)

4.0\times10^{-7}\,\text{T}

in the

-y

–direction

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