Electromagnetic Waves Part 2

Section: Physics

Question : 41 of 54

Marks: +1, -0

The electric field in an electromagnetic wave is given as

→

=20sin‌ω(t−‌

)

→

NC−1
where ω and c are angular frequency and velocity of electromagnetic wave respectively. the energy contained in a volume of 5×10−4m3 will be (Given ε0=8.85×10−12c2∕Nm2 )

[11-Apr-2023 shift 1]

88.5×10−13J
17.7×10−13J
8.85×10−13J
28.5×10−13J

Validate

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