Physics · 2021
JEE Main · 27 August 2021, Shift 2 · Q20
An antenna is mounted on a 400 m tall building. What will be the wavelength of signal that can be radiated effectively by the transmission tower upto…
An antenna is mounted on a $\displaystyle 400$ m tall building. What will be the wavelength of signal that can be radiated effectively by the transmission tower upto a range of $\displaystyle 44$ km ?
Official answer
(4)
$\displaystyle 605$ m
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.