Electromagnetic Waves Part 1

Section: Physics

Question : 61 of 100

Marks: +1, -0

A plane electromagnetic wave, has frequencyof 2.0×1010 Hz and its energy density is1.02×10−8 J∕m3 in vacuum. The amplitude ofthe magnetic field of the wave is close to(

4πε0

=9×109

Nm2

and speed of light =3×108 ms−1 ):

[2 Sep 2020 Shift 1]

180 nT
160 nT
150 nT
190 nT

Validate

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