In an electromagnetic wave, the amplitude of electric field is 1 V/m. the frequency of wave is \[5\times {{10}^{14}}\,Hz\]. The wave is propagating along z-axis. The average energy density of electric field, in Joule/m3, will be

Sound waves are mechanical waves

In an electromagnetic wave, the amplitude of electric field is 1 V/m.

1.	In an electromagnetic wave, the amplitude of electric field is 1 V/m. the frequency of wave is \[5\times {{10}^{14}}\,Hz\]. The wave is propagating along z-axis. The average energy density of electric field, in Joule/m3, will be
A.	\[1.1\times {{10}^{-11}}\]
B.	\[2.2\times {{10}^{-12}}\]
C.	Sound waves are mechanical waves
D.	\[4.4\times {{10}^{-14}}\]
Answer» C. Sound waves are mechanical waves

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In an electromagnetic wave, the amplitude of electric field is 1 V/m. the frequency of wave is \[5\times {{10}^{14}}\,Hz\]. The wave is propagating along z-axis. The average energy density of electric field, in Joule/m3, will be

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