The electric field amplitude of a plane electromagnetic wave in vacuum is

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

120\,\text{V m}^{-1}

. Take

c = 3.0 \times 10^{8}\,\text{m s}^{-1}

. Calculate the corresponding magnetic field amplitude

B_0

. (a)

6.4 \times 10^{-8}\,\text{T}

(b)

4.0 \times 10^{-7}\,\text{T}

(c)

2.0 \times 10^{-7}\,\text{T}

(d)

4.0 \times 10^{-6}\,\text{T}