JEE Main 2012 — Communication System Question with Solution
JEE Main 2012 (19 May Online)
Question
Given the electric field of a complete amplitude modulated wave as
Where the subscript c stands for the carrier wave and for the modulating signal. The frequencies present in the modulated wave are
Choose an option
Show full solutionCorrect option: B
Correct answer
B and
Step-by-step explanation
The frequencies present in amplitude modulated wave are :
Carrier frequency
Upper side band frequency
Lower side band frequency .
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Communication System chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2012, covering the Communication System chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.