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how to calculate the speed of light in a medium. This is the highest speed possible in physics. The refractive index of air for visible light is about 10003 so the speed of light in air is about 90 kms 56 mis slower than c.
Refraction Of Light Refraction Of Light Physics And Mathematics Physics Notes from www.pinterest.com
V lead cn lead 299792458 x 10 8 ms 26 12 x 10 8 ms 26 x 10 8 miles per hour. Please enter distance or time the other value will be calculated. One year is counted as 31557600 seconds 365 14 days.
V in this equation is the speed of light in a medium having an index n and c represents the speed of light in vacuum.
Therefore it can be understood that for a medium of higher refractive index the speed of light in that medium will be slower. The speed of light is equal to the distance light travels d divided by the time it takes t. Light changes speed as it passes. Consider the refraction of light in the five diagrams below.
