Suppose thet the electric field part of an electromagnetic wave in vacuum is E=3.1 N/C cos [ (1.8 rad/m)y +(5.4*10^8 rad/s)t ]i . What is the wavelenght and frequency?
Added by Shirlin S.
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1 \, \text{N/C} \cos[(1.8 \, \text{rad/m})y + (5.4 \times 10^8 \, \text{rad/s})t]i \) Show more…
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Suppose that the electric field part of an electromagnetic wave in vacuum is E=3.1 N/C cos [(1.8 rad/m +5.4*10^8 rad/s)] Calculate the wavelenfght and frequency .
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Suppose that the electric field part of an electromagnetic wave in vacuum is $\mathbf{E}=\left\{(3.1 \mathrm{~N} / \mathrm{C}) \cos \left[(1.8 \mathrm{rad} / \mathrm{m}) y+\left(5.4 \times 10^{6} \mathrm{rad} / \mathrm{s}\right) t\right]\right\} \hat{\mathbf{i}}$. (a) What is the direction of propagation? (b) What is the wavelength $\lambda$ ? (c) What is the frequency $v ?$ (d) What is the amplitude of the magnetic field part of the wave? (e) Write an expression for the magnetic field part of the wave.
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