Electromagnetic Waves: JEE Main 2022 Physics question

JEE Main 2022 · 29 Jul, Evening shift · Q59

JEE Main 202229 Jul, Evening shiftPhysicsMediumElectromagnetic Waves120× since 2002

Nearly 10% of the power of a

110 \mathrm{~W}

light bulb is converted to visible radiation. The change in average intensities of visible radiation, at a distance of

1 \mathrm{~m}

from the bulb to a distance of

5 \mathrm{~m}

a \times 10^{-2} \mathrm{~W} / \mathrm{m}^{2}

. The value of 'a' will be _________.

Your answerType your answer. Integers and decimals are accepted.

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