Electric field in a plane electromagnetic wave is given by \E=50 \sin (500 x-10 \times10^{10} \t) {\V} \/ {\m}. The velocity of electromagnetic wave in this medium is (Given, c = speed of light in vacuum) [27 Aug 2021 Shift 1]

JEE Main 27-Aug-2021 Shift 1 Solved Paper

Section: Physics

Question : 18 of 90

Marks: +1, -0

Electric field in a plane electromagnetic wave is given by E=50‌sin(500x−10×1010t)‌V∕m.
The velocity of electromagnetic wave in this medium is
(Given, c = speed of light in vacuum)

[27 Aug 2021 Shift 1]

3
2
c
c
2
3
c
c
2

Validate

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