Running is faster than walking,cycling is faster than running.Going in a motor bike is still faster.Like this can we go on increase the speed of travel indefinitely!Or is there any limit for speed one can attain.Yes there is a limit for speed that one can attain. It is the speed of light.The speed of light is approximately three lakhs of kilometer per second. imagine the speed of light,the light will travel to about three lakh kilometers the moment it started.
That is how lightinig apper's before rainig .What would be the real date of sunlight that fall's on earth -that-day.
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