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Electromagnetic Waves question

2021 · 17 Mar · Shift 2 · Q64

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JEE Main
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Electromagnetic Waves
2021 · 17 Mar · Shift 2 · Q64

Electromagnetic Waves question

2021 · 17 Mar · Shift 2 · Q64

JEE MainPhysicsElectromagnetic WavesNumerical+4 / −1

The electric field intensity produced by the radiation coming from a 100 W bulb at a distance of 3 m is E. The electric field intensity produced by the radiation coming from 60W at the same distance is

\sqrt {{x \over 5}}

E. Where the value of x =

\underline{\hspace{2cm}}

.

Numerical answer

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