Electromagnetic Waves: JEE Main 2021 Physics question

JEE Main 2021 · 17 Mar, Evening shift · Q61

JEE Main 202117 Mar, Evening shiftPhysicsMediumElectromagnetic Waves120× since 2002

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 = ____________.

Your answerType your answer. Integers and decimals are accepted.

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JEE Main 2021 Electromagnetic Waves Question with Answer (17 Mar Evening shift, Q61) | JEE Arc