Which of the following modulated signal has the best noise-tolerance ?

Question:

Which of the following modulated signal has the best noise-tolerance ?

  1. Long-wave

  2. Short-wave

  3. Medium-wave

  4. Amplitude-modulated


Correct Option: 2

JEE Main Previous Year 1 Question of JEE Main from Physics Communication Systems chapter.
JEE Main Previous Year Online April 25, 2013

Solution:

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