NCERT In-text 9.3 — Q4 - Light — Reflection and Refraction
Question: You are given kerosene, turpentine and water. In which of these does the light travel fastest? Use the information given in Table 9.3.
Answer: To determine in which of these media light travels the fastest, we must compare their respective refractive indices. The refractive index of a medium is a measure of its optical density and is inve...
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