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  9. Q43

CGPSC 2021 · Question 43 of 93

What is not true about FM (Frequency Modulation) radio waves?

General Knowledge

  1. AFrequency range of Frequency Modulation is lower than that of Amplitude ModulationCorrect
  2. BAmplitude and phase do not change in it
  3. CIt was invented by Edwin Armstrong
  4. DIts bandwidth is higher than that of Amplitude Modulation

Answer: A. Frequency range of Frequency Modulation is lower than that of Amplitude Modulation

Explanation

The question asks us to identify the statement that is not true about Frequency Modulation (FM) radio waves. To answer this, we need to evaluate each given option based on the characteristics of FM.

Source: CGPSC 2021 official paper

← Q42View full paper (93 questions)Q44 →

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