MCQ
Brilliance of diamond is due to
- AShape
- BCutting
- CReflection
- ✓Total internal reflection
✓
Answer
Correct option: D.
Total internal reflection
d
(d) Total internal reflection can occur only when a ray is incident on the surface of a medium whose refractive index is smaller than that of the medium in which the ray is travelling. since the refractive index of air is $1.00029$ and that of diamond is $2.42,$ therefore brilliance of diamond is due to total internal reflection.
(d) Total internal reflection can occur only when a ray is incident on the surface of a medium whose refractive index is smaller than that of the medium in which the ray is travelling. since the refractive index of air is $1.00029$ and that of diamond is $2.42,$ therefore brilliance of diamond is due to total internal reflection.
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