A. 300,000 km per second
B. 400,000 km per hour
C. 500,000 km per minute
D. 600,000 km per minute
🧠 Explanation:
Light travels at approximately 300,000 km per second in a vacuum, a constant known as the speed of light. This universal limit, studied in physics, underpins relativity and electromagnetic theory. It enables technologies like fiber optics and GPS, driving modern communication and navigation. Light’s speed is key in astronomy, measuring cosmic distances. Its consistency across contexts makes it a cornerstone of scientific research, influencing fields from physics to engineering. Understanding this speed highlights its role in shaping our understanding of the universe and advancing technological innovations globally.
