Question

Flash and thunder are produced simultaneously but thunder is heard a few seconds after the flash is seen.Why?

Answer 1

Explanation: Because speed of light is a lot more than speed of sound so before sound reaches you light falls more faster on your eyes and this is the reason that you see lightning flash before you hear its sound

Answer 2

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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.

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