The electric field of a plane electromagnetic wave varies with time of amplitude 2 V m –1…
Physics · Class 12 · CBSE — Electromagnetic Waves
The electric field of a plane electromagnetic wave varies with time of amplitude 2 V m–1 propagating along z-axis. The average energy density of the magnetic field is (in J m–3)
- 13.29 × 10–12
- 8.86 × 10–12
- 17.72 × 10–12
- 4.43 × 10–12
Answer
(B) 8.86 × 10 –12
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