Physics · 2021
JEE Main · 25 February 2021, Shift 2 · Q17
If a message signal of frequency ' f_m ' is amplitude modulated with a carrier signal of frequency ' f_c ' and radiated through an antenna, the…
If a message signal of frequency '$\displaystyle f_{\mathrm{m}}$' is amplitude modulated with a carrier signal of frequency '$\displaystyle f_{\mathrm{c}}$' and radiated through an antenna, the wavelength of the corresponding signal in air is :
Official answer
(3)
$\displaystyle \frac{c}{f_c}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.