Question

Assertion: The flash of lightening is seen before the sound of thunder is heard.

Answer 1

bcoz light have more speed than sound and they reaches earth before thunder

Answer 2

☆$\red {HELLO\:DEAR}$☆

The speed of sound (344 m/s) is less than the speed of light (3 x 10^8 m/s).

Sound of thunder takes more time to reach the Earth as compared to light.

Hence, a flash is seen before we hear a thunder.

☆$\green {VISHU\:PANDAT}$☆

☆$\blue {FOLLOW\:ME}$