The speeds of light in four transparent media are: P: Q: R: S: Which of the following…

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

The speeds of light in four transparent media are: P: 2.00×108 m s−12.00\times10^{8}\,\text{m s}^{-1} Q: 2.25×108 m s−12.25\times10^{8}\,\text{m s}^{-1} R: 1.80×108 m s−11.80\times10^{8}\,\text{m s}^{-1} S: 2.50×108 m s−12.50\times10^{8}\,\text{m s}^{-1} Which of the following lists the media in order of increasing optical density (least dense first)? (a) R, P, Q, S (b) Q, S, P, R (c) S, Q, P, R (d) S, P, Q, R

Related theory

Browse the problem library