The electric field in an electromagnetic wave is given by P \[ E=\l...

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The electric field in an electromagnetic wave is given by
P
\[
E=\left(50 \mathrm{NC}^{-1}\right) \sin \omega(t-x / c)
\]
W
The energy contained in a cylinder of volume \( V \) is \( 5.5 \times 10^{-12} \mathrm{~J} \). The value of \( V \) is \( \mathrm{cm}^{3} \). (given \( \varepsilon_{0}=8.8 \times 10^{-12} \mathrm{C}^{2} \mathrm{~N}^{-1} \mathrm{~m}^{-2} \) )
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