OPSC OAS 2020 PrelimsScience & TechnologyQuestion 5
Solved previous year question from the OPSC OAS/OCS 2020 Preliminary Examination (General Studies), with the official answer key and a detailed explanation.
Question
Television signals are:
Tap an option to check your answer.
Show answer & explanation
Answer & Explanation
Correct answer: (C) Both frequency and amplitude modulated
- Television signals use both frequency modulation (FM) and amplitude modulation (AM) for transmitting the complete audio-visual content. This is because a television broadcast involves two separate components — video (picture) and audio (sound) — which are transmitted using different modulation techniques.
