JEE Mains · Physics · STD 12 - 8. Electromagnetic waves
In an electromagnetic wave, at an instant and at a particular position, the electric field is along the negative \(z\)-axis and magnetic field is along the positive \(x\)-axis. Then the direction of propagation of electromagnetic wave is
- A at \(45^{\circ}\) angle from positive \(y\)-axis
- B negative \(y\)-axis
- C positive \(z-\) axis
- D positive \(y\)-axis
Answer & Solution
Correct Answer
(B) negative \(y\)-axis
Step-by-step Solution
Detailed explanation
Direction of propagation of \(EM\) wave will be in the direction of \(\overrightarrow{ E } \times \overrightarrow{ B }\).
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