What is the speed of light in vacuum?

A. 300 Million m/s
B. 300 Million m/h
C. 300 Million K/s
D. 300 Million k/h

Answer

Correct Answer: A. 300 Million m/s

Detail about MCQs

The correct answer is A. 300 Million m/s. The speed of light in a vacuum is approximately 299,792,458 meters per second, often rounded to 300 million meters per second for simplicity. This value is a fundamental constant in physics and is denoted by the symbol “c”

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