Question

In vacuum, Light travels at a speed of

A 3.0 × 107 m s-1
B 30 × 108 m s-1
C 3.0 × 10-8 m s-1
D 3.0 × 108 m s-1

Answer & Explanation

Answer: 3.0 × 108 m s-1

junior administrative assistant jaa test series