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Electromagnetic Waves question

2006 · Shift 0 · Q83
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  5. /2006 · Shift 0 · Q83

Electromagnetic Waves question

2006 · Shift 0 · Q83

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1
The rmsrmsrms value of the electric field of the light coming from the Sun is 720N/C.720N/C.720N/C. The average total energy density of the electromagnetic wave is
  1. A
    4.58×10−6 J/m34.58 \times {10^{ - 6}}\,J/{m^3}4.58×10−6J/m3
  2. B
    6.37×10−9 J/m36.37 \times {10^{ - 9}}\,J/{m^3}6.37×10−9J/m3
  3. C
    81.35×10−12 J/m381.35 \times {10^{ - 12}}\,J/{m^3}81.35×10−12J/m3
  4. D
    3.3×10−3 J/m33.3 \times {10^{ - 3}}\,J/{m^3}3.3×10−3J/m3
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