speed of light is 300000km/s and of sound is 355m/s then how both of them reach to us at same time

Asked by  | 2nd Apr, 2009, 09:54: PM

Expert Answer:

When we are talking to somebody the distance is very less. With such high speeds ,the difference in the time taken for the light to travel is very small . For sound its of the order of milli seconds and for light its of the order of 10-8 sec. This time elapse is prominent at large distance as for lightning where we see the lightning before we hear the thunder.

Answered by  | 2nd Apr, 2009, 11:17: PM

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