Optics Question 333

Question: Light wave is travelling along y-direction. If the corresponding $ \vec{E} $ vector at any time is along the x-axis, the direction of $ \vec{B} $ vector at that time is along

[UPSEAT 2005]

Options:

A) y-axis

B) x-axis

C) + z-axis

D) - z axis

Show Answer

Answer:

Correct Answer: D

Solution:

Direction of wave propagation is given by $ \overrightarrow{E}\times \overrightarrow{B} $ .



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