The luster of diamond is due to_________?
Correct answer: B. Total internal reflection
- A. Reflection
- B. Total internal reflection
- C. Refraction
- D. None of these
Explanation
Diamond has a high refractive index, so light entering it can undergo repeated total internal reflection, producing its characteristic brilliance or luster. Ordinary reflection alone does not account for this strong sparkle.
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Everyday physics explains motion, force, work, power, pressure, heat, light, sound and electricity through familiar devices and natural events. Topics include simple machines, friction, expansion, reflection and refraction, lenses, household circuits, electrical safety and magnetism, with mass distinguished from weight and heat distinguished from temperature.
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