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Answer:
(a) The wavelength is given by λ=
v
c
=
2×10
10
3×10
8
=1.5×10 −2 m
(b) BB=E o
/c=1.6×10
−7
T
(c) Energy density due to the electric field, E
E
=
2
1
ϵ
o
E
2
Energy density due to the magnetic field, E
B
=
2
1
B
2
/μ
o
also, c=
ϵ
0
μ
o
1
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