The speed of light is maximum in a vacuum and decreases when it passes through a medium. The speed is inversely proportional to the refractive index of the medium. Among the given options, glass typically has the highest refractive index
The speed of light will be minimum while passing through
Asked in BPSC Prelims Exam 67th Re Exam · Topic: Optics (Reflection and Refraction at plane and spherical surfaces)
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