Multiple choice general knowledge

In radio what does FM stand for ?

  1. Frequency Module

  2. Frequency modulation

  3. Frequency Meter

  4. Frequency Middle
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

FM stands for Frequency Modulation, which is a method of encoding information in a radio wave by varying its frequency. This contrasts with AM (Amplitude Modulation), which varies the wave's amplitude. FM radio is known for better sound quality.

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