CBSE Class 12-science Answered
In an electromagnetic wave propagating along +x-axis electric field vector is Ey=4x103 Cos (3x108t-1.5x) v/m. what is
(i) the frequency of em wave (ii) amplitude of magnetic field
Asked by Sudheer Nair | 28 Feb, 2012, 01:55: PM
Expert Answer
Given, Ey= 4 x103 Cos (3x108t -1.5 x) V/m
(i) frequency, v =?/2?
? =3 x108 rad/sec
v =3x108/2?
=4.77x107 Hz
(ii)amplitude of magnetic field Bz = Ey/c
=4x 103 /3 x 108
1.33X 10-5T
Answered by | 04 Mar, 2012, 03:46: PM
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