Modern Physics 7 Question 3
3. An electromagnetic wave is represented by the electric field
(a)
(b)
(c)
(d)
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Solution:
- Standard expression of electromagnetic wave is given by
Here,
Given expression of electromagnetic wave,
Comparing Eq. (ii) with Eq. (i), we get
From Eqs. (iii) and (iv), we get
Hence,
So, direction of propagation,
