Physics · 2021
JEE Main · 17 March 2021, Shift 2 · Q24
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 electric field intensity produced by the radiation coming from a $\displaystyle 100$ W bulb at a distance of $\displaystyle 3$ m is E. The electric field intensity produced by the radiation coming from $\displaystyle 60$ W at the same distance is
$\displaystyle \sqrt{\frac{x}{5}} \mathrm{E}$. Where the value of $\displaystyle x=$ \_\_\_\_.
Official answer
3
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.