Speed of light in vacuum is approximately:

Shumaim Naeem css, Everyday Science, Full List, Science, SCIENCE MCQS, SOCIAL SCIENCE

A) 3 × 10⁵ m/s
B) 3 × 10⁸ m/s
C) 3 × 10⁶ m/s
D) 3 × 10³ m/s
Answer: B) 3 × 10⁸ m/s