The Electric Field of an Electro-Magnetic Wave Is Given by E_y

question 39

Multiple Choice

The electric field of an electro-magnetic wave is given by E_y = 25 sin(2.4 $\times$ 10⁶ $\pi$ (x - 3.0 $\times$ 10⁸t) ) .What is the wavelength of the wave?

• A)4.8 \(\times\) 10⁷ m
• B)2.1 \(\times\) 10^-8 m
• C)2.1 \(\times\) 10^-7 m
• D)8.3 \(\times\) 10^-7 m
• E)7.5 \(\times\) 10^-6 m

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