32+ Great Speed Of Light In Diamond / DID: LAPD SWAT 90s (Speed) / In diamond, with a rather high refractive index of 2.4, the speed of light is reduced to a relative crawl (125,000 kilometers per second), being about 60 .

The speed of light in diamond is 1,24,000 km/s. The speed of light in diamond is 125,000 kms−1. Top vc mark suster tells fast ...