The velocity of sound in dry air at sea level (at 20°C) is approximately 343 meters per second (m/s). This speed can vary slightly with temperature, humidity, and air pressure, but 343 m/s is the widely accepted standard at room temperature.
What is the velocity of sound in air at sea level?
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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.