NDA2023General AbilityGeneral ScienceActual
The flash of lightning is seen before the thunderstorm is heard. It verifies that
Options
- Asound travels much faster than light
- Blight travels much faster than sound
- Clight and sound both travel with same speed
- Dintensity of flash of lightning is very high during thunderstorm
Correct answer
B. light travels much faster than sound
Step-by-step solution
Light travels much faster than sound. speed of light c =3 10^8 ~m / s while speed of sound 343.2 metres per second. Therefore the flash of light seen before the thunderstorm heard.