The Rate of Energy Flow Per Unit Area of an Electromagnetic

Multiple Choice

The rate of energy flow per unit area of an electromagnetic wave has an average value of $0.695$ $\mathrm { W } / \mathrm { m } ^ { 2 }$ . The wave is incident at right angles upon a rectangular area measuring $1.5 \mathrm {~m}$ by $2.0 \mathrm {~m}$ .
How much total energy falls upon this rectangle each minute? $\left( \varepsilon _ { 0 } = 8.85 \times 10 ^ { - 12 } \mathrm { C } 2 / \mathrm { N } \cdot \mathrm { m } ^ { 2 } , \mu _ { 0 } = 4 \right.$ $\pi \times 10 ^ { - 7 } \mathrm {~T} \cdot \mathrm { m } / \mathrm { A } , c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ )

A) $250 \mathrm {~J}$
B) $160 \mathrm {~J}$
C) $130 \mathrm {~J}$
D) $220 \mathrm {~J}$
E) $190 \mathrm {~J}$