JEE · NEET Previous Year Question

A plane electromagnetic wave of frequency travels in free space along the X-direction. At a particular point (in space and time) . The value of magnetic field at this point is :

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: A

Solution

(a)

So,

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