Q 12-08-088JEE MainJEE Main 2023 (25 Jan, Shift 1)Easy
A message signal of frequency $5\ \text{kHz}$ is used to modulate a carrier signal of frequency $2\ \text{MHz}$. The bandwidth for amplitude modulation is
Answer: (C) $10\ \text{kHz}$
Side bands at $f_c\pm f_m$, so the bandwidth is $2f_m=10\ \text{kHz}$.
Solution by Sreeraj P, M.Sc Physics