The speed of light is minimum while passing through a medium like glass, where its velocity is slower compared to its speed in vacuum. This difference is due to the higher refractive index of glass, which causes light to slow ...
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The reason thunder is heard long after the flash of lightning is the speed of light is much greater than the speed of sound. Light travels at approximately 300,000,000 meters per second, while sound travels at about 343 meters per ...