In an electromagnetic wave, the amplitude of electric field is 1 V / m . The frequency of wave is 5 \times10 ^ { 14 } H z . The wave is propagating along z-axis. The average energy density of clectric field in J/ m ^ { 3 } will be

Correct Answer is : 2.2×10−12

AP and TS EAMCET Engineering Model Paper 2

Question : 113 of 160

Marks: +1, -0

In an electromagnetic wave, the amplitude of electric field is 1 V / m . The frequency of wave is 5×1014Hz . The wave is propagating along z-axis. The average energy density of clectric field in J/ m3 will be

1.1×10−11
2.2×10−12
3.3×10−13
4.4×10−14

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