Modern Physics 7 Question 24
25. If the magnetic field of a plane electromagnetic wave is given by
then the maximum electric field associated with it is (Take, the speed of light
(Main 2019, 10 Jan I)
(a)
(b)
(c)
(d)
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Solution:
- Given, instantaneous value of magnetic field
and speed of light,
For an electromagnetic wave,
where,
We get,