Q 12-08-102JEE MainJEE Main 2023 (12 Apr, Shift 1)Easy
The amplitude of $15\sin(1000\pi t)$ is modulated by $10\sin(4\pi t)$ signal. The amplitude modulated signal contains frequencies of
A. $500\ \text{Hz}$
B. $2\ \text{Hz}$
C. $250\ \text{Hz}$
D. $498\ \text{Hz}$
E. $502\ \text{Hz}$
Choose the correct answer from the options given below:
Answer: (D) A, D and E only
Carrier $500\ \text{Hz}$, message $2\ \text{Hz}$. The AM wave contains $500$, $498$ and $502\ \text{Hz}$.
Solution by Sreeraj P, M.Sc Physics