NEET · Physics · STD 12 - 8. Electromagnetic waves
For a plane electromagnetic wave propagating in \(x\)-direction, which one of the following combination gives the correct possible directions for electric field \((E)\) and magnetic field \((B)\) respectively?
- A \(\hat{j}+\hat{k}, \hat{j}+\hat{k}\)
- B \(-\hat{j}+\hat{k},-\hat{j}-\hat{k}\)
- C \(\hat{j}+\hat{k},-\hat{j}-\hat{k}\)
- D \(-\hat{j}+\hat{k},-\hat{j}+\hat{k}\)
Answer & Solution
Correct Answer
(B) \(-\hat{j}+\hat{k},-\hat{j}-\hat{k}\)
Step-by-step Solution
Detailed explanation
Wave in \(x\) direction \(C=\vec{E} \times \vec{B}\)
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