_:n94afa5ce22584136b60d74ac5113d1aaxb15
<http://schema.org/name>
"If the speed of light in air is 3×10⁸m/s. If the refractive index of glass is 3/2. Then find the speed of light in glass."
<https://www.learnpick.in/local-tutors/delhi/all/physics/southern+avenue-area>