JEE Main 2022 Physics question
The electric field in an electromagnetic wave is given by E = 56.5 sin − x/c) . Find the intensity of the wave if it is propagating along x-axis in the free space. (Given )
Answer: (2)
Solution
\frac{1}{2}E_{0}^{2}c\frac{1}{2}$ × 8.85 ×
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