Question

We see the lightning flash before we can hear thunder because

• A. Light travels faster than sound
• B. Sound travels faster than light
• C. The sound of lightning is generated only after the lightning flashes.
• D. Both light and sound travel with same speed

Answer 1

The correct option is A

Light travels faster than sound

We see the lightning flash before we can hear thunder because the light travels faster than the sound. The speed of light is $3\times {10}^{8}m{s}^{-1}$ whereas the speed of sound is $343m{s}^{-1}$.