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how to calculate speed of light in a medium. An electromagnetic wave ie a light wave is produced by a vibrating electric charge. If the critical angle for total internal reflection from a medium to vacuum is 30 then velocity of light in the medium is.
The Refractive Index Of Glass Is 1 5 Calculate The Speed Of Light In Glass The Speed Of Light In Youtube from www.youtube.com
Therefore it can be understood that for a medium of higher refractive index the speed of light in that medium will be slower. Distance speed of light time s c t Please enter distance or time the other value will be calculated. For critical angle we will use snells lawC is critical angle and C 45onmedium sinC nair sin90 nair 1sinC S inC 1 sin451 nmedium 141we know that refractive index n speedof lightinmediumspeedof lightinvacuum where c 3108ms1414 vc v 14143108 v 212108ms.
This value is the speed of light in a vacuum.
Light changes speed as it passes. V f w Where V is the velocity ms f is the frequency hz. How do you calculate the speed of light in a medium. The relationship between the speed of light in a medium and the refractive index is the following.
