The Question is from neet-physics communication-system , and it was created by the author SUBHANI

Question

The process of retrieving the message signal from the modulated carrier wave is known as:

SUBHANI · Accepted Answer

## CORE INFORMATION
✓ **Answer**: A
## CONCEPT FRAMEWORK
 **Primary Concept**: Modulation and Demodulation
 **Related Topics**: Communication Systems, Signal Processing
 **Prerequisites**: Basic understanding of carrier waves and message signals.
## SOLUTION PATHWAY
**Given Information**:
The question asks about the process of retrieving a message signal from a modulated carrier wave.
**Method & Steps**:
1. Understanding Modulation and Demodulation:
  Reasoning: Modulation is the process of encoding information onto a carrier wave.  Demodulation is the reverse process, extracting the original information from the modulated carrier wave.
  Formula/Rule: There are no specific formulas for this conceptual question.
2. Identifying the Correct Process:
  Working: The question describes the process of retrieving the message signal, which is the definition of demodulation.
  Key Point:  Modulation adds the message to the carrier; demodulation removes it.
3. Selecting the Correct Option:
  Result: The correct option is 'Demodulation'.
  Verification: The definition of demodulation directly answers the question.
 ## OPTION ANALYSIS
A ✓: Demodulation is the correct answer as it is the process of recovering the original message signal from the modulated carrier wave.
B :x: Modulation is the process of combining the message signal with a carrier wave, not retrieving it.
C :x: Transmission is the process of sending the signal, not retrieving it.
D :x: Reception is the process of receiving the signal, but not specifically the process of extracting the message.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing modulation and demodulation: Remember that modulation adds the message, while demodulation removes it.
  2.Misunderstanding the terms transmission and reception: These refer to the movement of the signal, not the processing of it.
 **Quick Tips**:
  1.Think of it like an envelope (carrier wave) containing a letter (message signal). Demodulation is opening the envelope to read the letter.
  2.Use mnemonics:  'De' in demodulation implies 'removing' or 'extracting'.

SUBHANI · Answer

The correct Option is "Demodulation"

SUBHANI · Answer

Modulation

SUBHANI · Answer

Transmission

SUBHANI · Answer

Reception

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