JEE Main 2016 — Communication System Question with Solution
JEE Main 2016 (09 Apr Online)
Question
An audio signal consists of two distinct sounds: one a human speech signal in the frequency band of 200 Hz to 2700 Hz, while the other is a high frequency music signal in the frequency band of 10200 Hz to 15200 Hz. The ratio of the AM signal band width required to send both the signals together to the AM signal band width required to send just the human speech is:
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Show full solutionCorrect option: A
Correct answer
A3
Step-by-step explanation
Band width for Music signal
Band width for speech signal
Band with for Both = 2500+5000=7500 Hz
Band with for Human speech =2500 Hz
Required Ratio
Band width for speech signal
Band with for Both = 2500+5000=7500 Hz
Band with for Human speech =2500 Hz
Required Ratio
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This is a previous-year question from JEE Main 2016, 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.