Explain why, the flash of lightning is seen first but the sound of thunder is heard a little later (though lightning and thunder take place in the sky at the same time and same distance from us).

Question

Philoid · Accepted Answer

The flash of lightning is seen first but the sound of thunder is heard a little later though lightning and thunder take place in the sky at the same time and same distance from us, because, the velocity of light in air is while the velocity of sound in air is 343 m/s. Thus, we can see light first and thunder sound later.