Physics · Electronics
When a television set is switched on, why are the audio and video usually perceived almost simultaneously in modern sets despite light traveling faster than sound?
- 1Audio and video are synchronized using built-in electronic delay circuits✓
- 2Sound reaches the ear faster than light reaches the eye through air
- 3Television signals transmit audio via light waves inside the room
- 4The screen takes longer to warm up, matching the speed of sound
Correct answer
Audio and video are synchronized using built-in electronic delay circuits
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