Which of the following has the highest value of refractive index ?
Correct answer: A. Diamond
- A. Diamond
- B. Brine (sea water)
- C. Distilled water
- D. Glass
Explanation
Diamond has a refractive index of about 2.42, much higher than water, seawater and ordinary glass. Its strong light-bending ability is also why it produces brilliant sparkle.
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