Question

The flash of lightning is seen before hearing its thunder because; 1) Thunder is more near than roaring; 2) The light can pass through vacuum; 3) Speed of light is more than speed of sound; 4) Speed of sound is more than speed of light

Answer 1

3)Speed of light is more than speed of sound.

Sound travels with the speed of 343m/s whereas the speed of light is 3lakh kms/sec.........this is a lot more than sound,thet i the exact reason why we see the flash first and then hear the roar

Answer 2

3) Speed of light is more than speed of sound

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The flash of lightning is seen before hearing its thunder because Speed of light is more than speed of sound